{"title":"Battery Tender®","description":null,"products":[{"product_id":"power-tender®-3-amp-12v-6v-battery-charger-and-maintainer","title":"Power Tender® 3 Amp 12V\/6V Battery Charger and Maintainer","description":"\u003cp\u003eWhen a battery needs more than maintenance charging — when it is deeply discharged, slow to respond, or simply too large for a 1.25 Amp charger to recover efficiently — the Power Tender® 3 Amp 12V\/6V is the step up. Triple the output of the Battery Tender® Plus at either 6V or 12V, with Multi-Chemistry support for both lead-acid and Lithium batteries, and the same ISM (Infinite Sequential Monitoring™) intelligence that has protected batteries since 1965.\u003c\/p\u003e\n\u003ch3\u003eBuilt for Faster Recovery on Larger Batteries\u003c\/h3\u003e\n\u003cp\u003eThe Power Tender® 3 Amp delivers full 3 Amp output at either 6V or 12V — three times the output of the standard Plus at the same voltage. For automotive batteries from 14Ah to 100Ah that have sat discharged for extended periods, 3 Amp bulk charging recovers capacity significantly faster without the risk of overcharge that comes with unregulated high-output chargers.\u003c\/p\u003e\n\u003ch3\u003eMulti-Chemistry: Lead-Acid and Lithium\u003c\/h3\u003e\n\u003cp\u003eA manual chemistry selector switches between lead-acid and Lithium (LiFePO4) charging profiles, delivering the correct absorption voltage and float protocol for each battery type. Select lead-acid for flooded, AGM, GEL, and sealed batteries; select Lithium for LiFePO4 batteries in modern vehicles and upgraded powersports applications. ISM adapts its full 4-stage algorithm to the selected chemistry automatically.\u003c\/p\u003e\n\u003ch3\u003eISM: 4-Stage Charging at Full 3 Amp Output\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitialization\u003c\/strong\u003e — Battery health check and polarity confirmation before current flows; adapts to the selected voltage and chemistry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Charge\u003c\/strong\u003e — Full 3 Amp output at 6V or 12V restores depleted capacity efficiently\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbsorption\u003c\/strong\u003e — Current tapers automatically as the battery approaches full charge, preventing overcharge damage at the correct voltage for the selected chemistry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloat Maintenance\u003c\/strong\u003e — Precisely regulated micro-current delivers the correct maintenance protocol for lead-acid or Lithium indefinitely, 24\/7, without overcharging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompatible battery size range: 14Ah to 100Ah at 6V or 12V. Lead-acid: flooded, AGM, gel cell, and sealed maintenance-free. Lithium: LiFePO4.\u003c\/p\u003e\n\u003ch3\u003e6V Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClassic and antique automobiles with 6V systems\u003c\/li\u003e\n\u003cli\u003eVintage motorcycles and pre-1960s vehicles\u003c\/li\u003e\n\u003cli\u003eAntique tractors and farm equipment\u003c\/li\u003e\n\u003cli\u003eAny 6V lead-acid or Lithium battery from 14Ah to 100Ah\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e12V Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCars, trucks, and SUVs\u003c\/li\u003e\n\u003cli\u003eMotorcycles and touring bikes\u003c\/li\u003e\n\u003cli\u003eATVs and UTVs\u003c\/li\u003e\n\u003cli\u003eBoats and marine vessels\u003c\/li\u003e\n\u003cli\u003eRecreational vehicles\u003c\/li\u003e\n\u003cli\u003eLawnmowers and garden tractors\u003c\/li\u003e\n\u003cli\u003eAny 12V lead-acid or Lithium battery from 14Ah to 100Ah\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Choose the Power Tender® Over the Plus\u003c\/h3\u003e\n\u003cp\u003eThe Battery Tender® Plus 1.25 Amp is the correct choice for ongoing maintenance of batteries that are regularly charged. The Power Tender® 3 Amp is the correct choice when batteries need actual recovery — vehicles that sat all winter without any maintenance charger, larger automotive batteries that take days to recover at 1.25 Amp, or any application where charging speed and Lithium compatibility matter alongside long-term maintenance capability.\u003c\/p\u003e\n\u003ch3\u003eAutomatic Temperature Compensation\u003c\/h3\u003e\n\u003cp\u003eCharge voltage adjusts automatically based on ambient temperature at both voltage settings — increasing in cold conditions to ensure a complete charge, reducing in heat to prevent overcharging and gassing. Correct voltage delivered year-round without manual adjustment.\u003c\/p\u003e\n\u003ch3\u003eSafety Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpark-proof connection\u003c\/strong\u003e — No current flows until polarity and connection are confirmed correct\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse polarity protection\u003c\/strong\u003e — Automatic shutdown if connections are reversed, protecting Lithium BMS systems and vehicle electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort-circuit protection\u003c\/strong\u003e — Automatic fault detection and shutdown\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eETL and CETL certified\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSulfation Prevention at 3 Amp\u003c\/h3\u003e\n\u003cp\u003eSulfation — the permanent, irreversible hardening of lead sulfate on battery plates — occurs when lead-acid batteries sit discharged. The Power Tender® 3 Amp transitions to ISM float maintenance automatically after charging is complete, holding the battery at peak voltage indefinitely. Battery life consistently extends from 2–3 years to 5 years or more.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3-Year Limited Warranty | DeLand, Florida Since 1965\u003c\/strong\u003e\u003c\/p\u003e","brand":"Battery Tender®","offers":[{"title":"Default Title","offer_id":45584081256517,"sku":"022-0202-COS","price":94.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/7021\/0117\/files\/battery-tender-default-title-3-amp-power-tender-12v-6v-switchable-battery-charger-022-0202-cos-59391683002737.png?v=1787252760"},{"product_id":"10-amp-selectable-battery-charger-and-maintainer","title":"10 AMP Selectable Battery Charger and Maintainer","description":"\u003cp\u003eThis product has been replaced by the \u003ca href=\"\/products\/10amp-batterycharger\"\u003ePowerTender® 10 Amp Multi-Chemistry 12V Battery Charger and Maintainer\u003c\/a\u003e (022-1006) — upgraded with full Lithium Multi-Chemistry support and IP67 full immersion waterproofing at the same price point.\u003c\/p\u003e\u003cp\u003eThe current model delivers the same 10 Amp output with expanded chemistry compatibility for both lead-acid and Lithium batteries, plus IP67 protection for installation in the most demanding marine, industrial, and outdoor environments. All existing use cases carry forward with additional capability.\u003c\/p\u003e\u003cp\u003eWe recommend the \u003ca href=\"\/products\/10amp-batterycharger\"\u003ecurrent PowerTender® 10 Amp Multi-Chemistry IP67\u003c\/a\u003e for all new purchases.\u003c\/p\u003e","brand":"Battery Tender®","offers":[{"title":"Default Title","offer_id":45584081289285,"sku":"022-0229-DL-WH","price":139.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/7021\/0117\/files\/battery-tender-default-title-10-amp-6-amp-2-amp-power-tender-automotive-battery-charger-and-maintainer-022-0229-dl-wh-59411602080113.png?v=1787252760"},{"product_id":"battery-tender®-plus-1-25-amp-selectable-12v-6v-battery-charger-and-maintainer","title":"Battery Tender® Plus 1.25 AMP Selectable 12V \/ 6V Battery Charger and Maintainer","description":"\u003cp\u003eSome garages hold one vehicle. Most hold a mix — a modern daily driver alongside a vintage motorcycle, a classic pickup next to a current-model ATV, a pre-war tractor that shares a shed with modern equipment. The Battery Tender® Plus 6V\/12V 1.25A is designed for that garage: a single intelligent battery charger and maintainer with a manual voltage selector that covers both legacy 6V and standard 12V lead-acid systems with the same ISM (Infinite Sequential Monitoring™) precision Battery Tender® has delivered since 1965.\u003c\/p\u003e\u003ch3\u003eOne Unit. Both Voltage Classes.\u003c\/h3\u003e\u003cp\u003eA manual 6V\/12V selector switch allows precise matching of charge voltage to the specific battery being maintained. Select 6V for vintage vehicles and pre-1960s equipment; select 12V for modern motorcycles, ATVs, cars, trucks, and powersports vehicles. At 1.25 Amp, the Plus 6V\/12V handles lead-acid batteries from 14Ah to 80Ah at either voltage setting, with ISM delivering the correct 4-stage charging profile for each chemistry.\u003c\/p\u003e\u003ch3\u003eISM: 4-Stage Charging at Either Voltage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitialization\u003c\/strong\u003e — Battery health check and polarity confirmation before current flows\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Charge\u003c\/strong\u003e — Full 1.25 Amp output at the selected voltage restores depleted capacity efficiently\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbsorption\u003c\/strong\u003e — Current automatically tapers as the battery approaches full charge, preventing overcharging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloat Maintenance\u003c\/strong\u003e — Precisely regulated micro-current maintains peak voltage at 6V or 12V indefinitely, 24\/7, without overcharging\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible: 14Ah to 80Ah. All lead-acid chemistries at either voltage: flooded, AGM, gel cell, and sealed maintenance-free.\u003c\/p\u003e\u003ch3\u003e6V Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVintage and pre-1960s motorcycles\u003c\/li\u003e\n\u003cli\u003eClassic and antique automobiles\u003c\/li\u003e\n\u003cli\u003eAntique tractors and farm equipment\u003c\/li\u003e\n\u003cli\u003ePre-war and transitional-era military vehicles\u003c\/li\u003e\n\u003cli\u003eVintage scooters and mopeds\u003c\/li\u003e\n\u003cli\u003eClassic outboard motors with 6V starting systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e12V Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMotorcycles and touring bikes\u003c\/li\u003e\n\u003cli\u003eATVs, UTVs, and side-by-sides\u003c\/li\u003e\n\u003cli\u003eCars, trucks, and SUVs up to 80Ah\u003c\/li\u003e\n\u003cli\u003eBoats and personal watercraft\u003c\/li\u003e\n\u003cli\u003eSnowmobiles and lawnmowers\u003c\/li\u003e\n\u003cli\u003eClassic vehicles with converted 12V systems\u003c\/li\u003e\n\u003cli\u003eRVs and seasonal vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Mixed-Voltage Garage\u003c\/h3\u003e\u003cp\u003eOwning both vintage and modern vehicles typically means owning two incompatible chargers — a 6V unit for the classics and a 12V unit for everything else. The Battery Tender® Plus 6V\/12V eliminates the duplication entirely. One unit charges the pre-war automobile in October and the modern powersports vehicle in November. One purchase, one cord to manage. For restoration shops, multi-vehicle collectors, and mixed fleets, the efficiency compounds across every bay in the facility.\u003c\/p\u003e\u003ch3\u003eVoltage Selection: What You Need to Know\u003c\/h3\u003e\u003cp\u003eAlways verify battery voltage before connecting. A 6V setting applied to a 12V battery will undercharge it chronically; a 12V setting applied to a 6V battery will overcharge and may damage it. The manual selector is deliberately physical — there is no automatic voltage detection. Confirm the battery voltage, set the switch, and connect. ISM handles everything from that point forward.\u003c\/p\u003e\u003ch3\u003eAutomatic Temperature Compensation\u003c\/h3\u003e\u003cp\u003eAt both voltage settings, charge voltage adjusts automatically based on ambient temperature — increasing in cold conditions to ensure a complete charge, reducing in heat to prevent overcharging and gassing. Correct voltage delivered in any storage environment, any season, without manual adjustment.\u003c\/p\u003e\u003ch3\u003eSafety Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpark-proof connection\u003c\/strong\u003e — No current flows until polarity and connection are confirmed correct, protecting sensitive electronics at either voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse polarity protection\u003c\/strong\u003e — Automatic shutdown if clamps are reversed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort-circuit protection\u003c\/strong\u003e — Automatic fault detection and shutdown\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eETL and CETL certified\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSulfation Does Not Discriminate by Voltage\u003c\/h3\u003e\u003cp\u003eA 6V battery left discharged through a winter accumulates sulfation just as destructively as a 12V battery. Sulfation — the permanent, irreversible hardening of lead sulfate on battery plates — is the leading cause of premature battery failure across all lead-acid chemistries. The Battery Tender® Plus 6V\/12V prevents sulfation at either voltage through continuous float maintenance, extending battery life from 2–3 years to 5 years or more across your entire fleet, vintage and modern alike.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLimited Warranty | DeLand, Florida Since 1965\u003c\/strong\u003e\u003c\/p\u003e","brand":"Battery Tender®","offers":[{"title":"Smart \/ New \/ Car","offer_id":45584081322053,"sku":"022-0211-DL-WH","price":84.95,"currency_code":"USD","in_stock":true},{"title":"Smart \/ New \/ Motorcycle","offer_id":45584081354821,"sku":"022-0211-DL-WH","price":84.95,"currency_code":"USD","in_stock":true},{"title":"Smart \/ New \/ SUV","offer_id":45584081387589,"sku":"022-0211-DL-WH","price":84.95,"currency_code":"USD","in_stock":true},{"title":"Smart \/ New \/ Truck","offer_id":45584081420357,"sku":"022-0211-DL-WH","price":84.95,"currency_code":"USD","in_stock":true},{"title":"Smart \/ New \/ Van","offer_id":45584081453125,"sku":"022-0211-DL-WH","price":84.95,"currency_code":"USD","in_stock":true},{"title":"Smart \/ New \/ Watercraft","offer_id":45584081485893,"sku":"022-0211-DL-WH","price":84.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/7021\/0117\/files\/battery-tender-default-title-battery-tender-plus-1-25-amp-selectable-12v-6v-battery-charger-and-maintainer-022-0211-dl-wh-59402998251889.png?v=1787252760"},{"product_id":"battery-tender®-2-bank-12v-1-25-amp-battery-charger-and-maintainer","title":"Battery Tender® 2-Bank 12V 1.25 Amp Battery Charger and Maintainer","description":"\u003cp\u003eTwo vehicles. One charger. The Battery Tender® 2-Bank 12V 1.25 Amp brings fully independent, simultaneous smart charging to two batteries at once — each bank running its own complete ISM (Infinite Sequential Monitoring™) cycle at full 1.25 Amp output, regardless of the other bank's state. Two vehicles stored. Two batteries maintained. One unit.\u003c\/p\u003e\u003ch3\u003eWhat \"Independent Banks\" Actually Means\u003c\/h3\u003e\u003cp\u003eThe 2-Bank is not a splitter. A single-output charger with a Y-adapter divides its amperage between connected batteries — two batteries get half the rated output each, and both banks move through charging stages together regardless of individual battery state. The Battery Tender® 2-Bank operates two entirely independent charging circuits: Bank 1 runs its own ISM algorithm at full 1.25 Amp; Bank 2 runs its own ISM algorithm at full 1.25 Amp. Each bank reads its own battery's state and responds accordingly. Bank 1 can be in bulk charge recovering a dead battery while Bank 2 is in float maintenance on a fully charged one — simultaneously, without interference.\u003c\/p\u003e\u003ch3\u003eISM on Every Bank, Every Battery\u003c\/h3\u003e\u003cp\u003eEach bank independently runs the full 4-stage ISM algorithm:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitialization\u003c\/strong\u003e — Individual battery health check before current flows on that bank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Charge\u003c\/strong\u003e — Full 1.25 Amp output to that battery restores depleted capacity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbsorption\u003c\/strong\u003e — Current tapers for that battery individually as it approaches full charge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloat Maintenance\u003c\/strong\u003e — That battery held at peak voltage 24\/7 independently of all other banks\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEvery battery connected to the 2-Bank receives the same intelligent charging it would receive from a dedicated single-unit Battery Tender® Plus — simultaneously.\u003c\/p\u003e\u003ch3\u003eCompatible Battery Types and Sizes\u003c\/h3\u003e\u003cp\u003eEach bank: 12V lead-acid batteries from 14Ah to 80Ah. All lead-acid chemistries: flooded, AGM, gel cell, and sealed maintenance-free.\u003c\/p\u003e\u003ch3\u003eMulti-Vehicle Storage and Fleet Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTwo motorcycles or powersports vehicles in seasonal storage\u003c\/li\u003e\n\u003cli\u003eA motorcycle and a car or truck stored together\u003c\/li\u003e\n\u003cli\u003eTwo ATVs or UTVs maintained in an equipment shed\u003c\/li\u003e\n\u003cli\u003eTwo boats or personal watercraft at marina or dock storage\u003c\/li\u003e\n\u003cli\u003eTwo lawnmowers or seasonal equipment units\u003c\/li\u003e\n\u003cli\u003eMixed vehicle pairs — any combination of 12V lead-acid applications per bank\u003c\/li\u003e\n\u003cli\u003eDealerships and service departments maintaining demo or loaner fleet batteries\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAutomatic Temperature Compensation\u003c\/h3\u003e\u003cp\u003eBoth banks automatically adjust charge voltage based on ambient temperature — each bank responding to the same environmental conditions and delivering the correct voltage to its battery. Correct charging in cold storage or summer heat, no manual adjustment required.\u003c\/p\u003e\u003ch3\u003eSafety Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpark-proof connection on each bank\u003c\/strong\u003e — no current flows until polarity and connection are confirmed correct\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse polarity protection per bank\u003c\/strong\u003e — incorrect connection on one bank does not affect the other\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eShort-circuit protection per bank\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eETL and CETL certified\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eStop Replacing Two Batteries Every Spring\u003c\/h3\u003e\u003cp\u003eThe cost of seasonal battery replacement compounds across a multi-vehicle garage. Two dead batteries in spring means two replacement costs, two installation sessions, and two vehicles not ready when the season opens. The Battery Tender® 2-Bank eliminates both failures simultaneously. Sulfation — the permanent, irreversible hardening of lead sulfate on battery plates — is the primary cause of stored battery failure. ISM on both banks prevents it entirely through continuous float maintenance, extending battery life from 2–3 years to 5 years or more on both vehicles simultaneously.\u003c\/p\u003e\u003cp\u003eOne unit. Two vehicles protected. Year after year.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e2-Year Limited Warranty | DeLand, Florida Since 1965\u003c\/strong\u003e\u003c\/p\u003e","brand":"Battery Tender®","offers":[{"title":"Default Title","offer_id":45584081518661,"sku":"022-0165-DL-WH","price":139.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/7021\/0117\/files\/022-0165_newhousing_wClips.png?v=1787252765"},{"product_id":"battery-tender®-plus-12v-1-25-amp-ip65","title":"Battery Tender® Plus 12V 1.25 Amp IP65","description":"\u003cp\u003eStandard battery maintainers assume you will connect and disconnect them. Permanent installation — in an engine bay, under a fairing, in a trailer compartment, or in a storage structure — demands something different: a charger that stays connected, withstands the environment, and operates without intervention for months at a time. The Battery Tender® Plus 12V 1.25A IP65 is built for exactly that application: IP65-rated weather resistance, ring terminal harness for permanent battery connection, and Battery Tender®'s ISM (Infinite Sequential Monitoring™) algorithm to ensure the battery is never overcharged and never left to sulfate.\u003c\/p\u003e\u003ch3\u003eIP65 Weather Resistance for Permanent Installations\u003c\/h3\u003e\u003cp\u003eIP65 certification provides complete dust protection and resistance to water jets from any direction. The Battery Tender® Plus IP65 withstands rain, spray, condensation, splash, and the temperature cycling of outdoor and semi-exposed storage environments without damage or interruption of charging. For installations in engine compartments, under fairings, or in outdoor equipment bays where water exposure is unavoidable, IP65 protection ensures continuous operation through all conditions.\u003c\/p\u003e\u003ch3\u003eRing Terminal Harness — Always Connected\u003c\/h3\u003e\u003cp\u003eThe Battery Tender® Plus IP65 ships with a ring terminal harness that mounts permanently to the battery terminals. The charger connects to the harness via quick-disconnect, eliminating the need to open battery compartments or handle clamps at each charging session. Once the harness is installed, connecting the charger takes seconds. For long-term storage, the charger can remain connected to the harness indefinitely — the ISM algorithm manages the full charging sequence and transitions to float maintenance automatically.\u003c\/p\u003e\u003ch3\u003eISM: 4-Stage Intelligent Charging\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitialization\u003c\/strong\u003e — Battery health check and polarity confirmation before current flows\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Charge\u003c\/strong\u003e — Full 1.25 Amp output restores depleted capacity to the battery's rated level\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbsorption\u003c\/strong\u003e — Current tapers automatically as the battery approaches 100% charge, preventing heat buildup, gassing, and overcharge damage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloat Maintenance\u003c\/strong\u003e — Precisely regulated micro-current delivered 24\/7 holds battery at peak voltage indefinitely, offsetting natural self-discharge without overcharging\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible battery size range: 14Ah to 80Ah at 12V. All lead-acid chemistries: flooded, AGM, gel cell, and sealed maintenance-free.\u003c\/p\u003e\u003ch3\u003ePermanent Installation Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMotorcycles with permanent ring terminal harness installations\u003c\/li\u003e\n\u003cli\u003eATVs and UTVs stored outdoors in equipment sheds\u003c\/li\u003e\n\u003cli\u003eBoats with battery access limitations in engine compartments or bilge areas\u003c\/li\u003e\n\u003cli\u003eTrailers and RVs on long-term or seasonal storage\u003c\/li\u003e\n\u003cli\u003eClassic and collector vehicles where battery compartment access is restricted\u003c\/li\u003e\n\u003cli\u003eFleet vehicles with standardized terminal harness installations\u003c\/li\u003e\n\u003cli\u003eAny vehicle where ease and speed of connection is a priority for seasonal storage management\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Storage Season Workflow\u003c\/h3\u003e\u003cp\u003eWith a permanent ring terminal harness installed, the process is: connect the quick-disconnect when the vehicle enters storage. Leave it connected for the duration. Disconnect when the vehicle returns to service. ISM manages the full charging sequence, transitions to float maintenance automatically, and holds the battery at peak capacity throughout the entire storage period — regardless of duration. No manual checks, no timed charging sessions, no concern about overcharging.\u003c\/p\u003e\u003ch3\u003eAutomatic Temperature Compensation\u003c\/h3\u003e\u003cp\u003eAmbient temperature directly affects optimal charge voltage for lead-acid batteries. Cold reduces electrolyte conductivity and requires higher voltage to achieve full charge; heat accelerates overcharge risk. The Battery Tender® Plus IP65 automatically adjusts charge voltage based on ambient temperature throughout the charging cycle — delivering the correct voltage whether the vehicle is stored in a heated building or exposed to winter outdoor temperatures — without manual adjustment at any point.\u003c\/p\u003e\u003ch3\u003eSafety Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpark-proof ring terminal connection\u003c\/strong\u003e — No current flows through the harness until the quick-disconnect is confirmed; eliminates connection sparks in enclosed engine compartments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse polarity protection\u003c\/strong\u003e — Protects vehicle electronics and wiring harnesses from incorrect connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort-circuit protection\u003c\/strong\u003e — Automatic fault detection and shutdown\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eETL and CETL certified\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePermanent Connection. Permanent Protection Against Sulfation.\u003c\/h3\u003e\u003cp\u003eSulfation — the permanent, irreversible hardening of lead sulfate on battery plates — is the primary cause of battery failure during storage. A battery that sits disconnected loses voltage continuously; once voltage drops below the threshold for sulfation formation, crystal growth begins and no subsequent charging can reverse it. The Battery Tender® Plus IP65, left connected via ring terminal harness, maintains continuous float voltage from storage entry through retrieval. Sulfation never forms. Battery life consistently extends from 2–3 years to 5 years or more.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e5-Year Limited Warranty | DeLand, Florida Since 1965\u003c\/strong\u003e\u003c\/p\u003e","brand":"Battery Tender®","offers":[{"title":"Default Title","offer_id":45584081551429,"sku":"022-0185G-DL-WH","price":84.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/7021\/0117\/files\/battery-tender-default-title-battery-tender-plus-1-25-amp-12v-battery-charger-and-maintainer-022-0185g-dl-wh-59403016110449_c7ad470a-f1a6-4009-bf7c-2ee35e3fa5e7.png?v=1787252765"},{"product_id":"power-tender®-5-amp-12v-6v-battery-charger-and-maintainer","title":"Power Tender® 5 Amp 12V\/6V Battery Charger and Maintainer","description":"\u003cp\u003eFive amps of intelligent charging at either 6V or 12V, for both lead-acid and Lithium batteries — the Power Tender® 5 Amp 12V\/6V is the highest-output dual-voltage Multi-Chemistry charger in the Battery Tender® standard lineup, delivering ISM (Infinite Sequential Monitoring™) precision to large automotive, marine, and commercial vehicle batteries that need real charging speed alongside long-term maintenance capability.\u003c\/p\u003e\n\u003ch3\u003e5 Amp Output — Built for Large Battery Recovery\u003c\/h3\u003e\n\u003cp\u003eAt 5 Amp, the Power Tender® charges large automotive and marine batteries four times faster than a standard 1.25 Amp charger during the bulk phase. For deep-cycle batteries, large AGM automotive batteries, and marine house batteries in the 60Ah to 150Ah range, 5 Amp bulk charging is the threshold where recovery time becomes practical for working vehicles. Full 5 Amp output is delivered at either voltage setting with no reduction when switched.\u003c\/p\u003e\n\u003ch3\u003eMulti-Chemistry: Lead-Acid and Lithium\u003c\/h3\u003e\n\u003cp\u003eA manual chemistry selector switches between lead-acid and Lithium (LiFePO4) charging profiles. Lithium batteries require distinct absorption voltages and a different maintenance protocol than lead-acid — the Power Tender® 5 Amp delivers the correct ISM profile for each chemistry at full 5 Amp output and either voltage. For garages transitioning from lead-acid to Lithium, or running both simultaneously, a single unit handles all configurations correctly.\u003c\/p\u003e\n\u003ch3\u003eISM: 4-Stage Charging at 5 Amp\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitialization\u003c\/strong\u003e — Battery health check and polarity confirmation before current flows at the selected voltage and chemistry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Charge\u003c\/strong\u003e — Full 5 Amp output restores depleted capacity at the correct voltage for the selected chemistry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbsorption\u003c\/strong\u003e — Current tapers automatically as the battery approaches full charge, preventing overcharge damage for lead-acid and Lithium alike\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloat Maintenance\u003c\/strong\u003e — Correct maintenance protocol for the selected chemistry delivered 24\/7, indefinitely, without overcharging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompatible battery size range: 20Ah to 150Ah at 6V or 12V. Lead-acid: flooded, AGM, gel cell, and sealed maintenance-free. Lithium: LiFePO4.\u003c\/p\u003e\n\u003ch3\u003e6V Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAntique and vintage automobiles with large 6V batteries\u003c\/li\u003e\n\u003cli\u003eAntique farm and commercial equipment\u003c\/li\u003e\n\u003cli\u003eVintage trucks and machinery with 6V systems\u003c\/li\u003e\n\u003cli\u003eAny large 6V lead-acid or Lithium battery from 20Ah to 150Ah\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e12V Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFull-size trucks, SUVs, and commercial vehicles\u003c\/li\u003e\n\u003cli\u003eBoats with large 12V house or starting batteries\u003c\/li\u003e\n\u003cli\u003eRVs and campers with deep-cycle battery banks\u003c\/li\u003e\n\u003cli\u003eATVs, UTVs, and powersports with larger battery configurations\u003c\/li\u003e\n\u003cli\u003eAgricultural equipment\u003c\/li\u003e\n\u003cli\u003eAny 12V lead-acid or Lithium battery from 20Ah to 150Ah\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAutomatic Temperature Compensation\u003c\/h3\u003e\n\u003cp\u003eCharge voltage adjusts automatically based on ambient temperature at both 6V and 12V settings — increasing in cold conditions to ensure complete charging, reducing in heat to prevent overcharging and gassing. Correct voltage delivered year-round without manual adjustment.\u003c\/p\u003e\n\u003ch3\u003eSafety Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpark-proof connection\u003c\/strong\u003e — No current flows until polarity and connection are confirmed correct\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse polarity protection\u003c\/strong\u003e — Automatic shutdown if connections are reversed, protecting Lithium BMS systems and vehicle electronics\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eShort-circuit protection\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eETL and CETL certified\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFloat Maintenance After Every Charge\u003c\/h3\u003e\n\u003cp\u003eAfter completing bulk and absorption charging, ISM transitions to the correct float maintenance protocol for the selected chemistry automatically — indefinitely. Batteries can remain connected for the full storage season without supervision. Sulfation in lead-acid batteries is prevented entirely. Battery life consistently extends from 2–3 years to 5 years or more regardless of battery size.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3-Year Limited Warranty | DeLand, Florida Since 1965\u003c\/strong\u003e\u003c\/p\u003e","brand":"Battery Tender®","offers":[{"title":"Default Title","offer_id":45584081584197,"sku":"022-0186G-DL-WH","price":124.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/7021\/0117\/files\/battery-tender-default-title-5-amp-power-tender-12v-battery-charger-022-0186g-dl-wh-59391672320369.png?v=1787252765"},{"product_id":"jump-n-start-2000-amp-lithium-jump-starter","title":"Jump N Start 2000 Amp Lithium Jump Starter","description":"\u003cp\u003eMaximum portable jump starting power. The Battery Tender® 2000 Amp Lithium Jump Starter delivers 2000 peak Amps of cranking power for any 12V gas or diesel engine up to V8 — the highest-output standard portable jump starter in the Battery Tender® lineup. For full-size diesel trucks, large engines, extreme cold weather starts, and vehicles that have defeated lower-output jump starters before, 2000 Amps is the specification that starts what others cannot. Backed by a 16,000mAh power bank for multiple jump start cycles and serious device charging capacity.\u003c\/p\u003e\u003ch3\u003e2000 Peak Amps — When Lower-Output Jump Starters Fall Short\u003c\/h3\u003e\u003cp\u003eThere are situations where 600, 800, or even 1500 Amp units are not enough: large displacement diesel pickups, high-compression performance engines, deeply discharged batteries in extreme cold, and vehicles that simply require more cranking power to turn over. 2000 peak Amps is the specification built for those situations — and for drivers who want to carry the most capable portable car battery jump starter available without commercial-grade equipment.\u003c\/p\u003e\u003ch3\u003e16,000mAh Lithium Battery Pack\u003c\/h3\u003e\u003cp\u003eThe 16,000mAh internal lithium battery is the largest capacity in the Battery Tender® portable jump starter lineup — providing more stored energy for more jump start cycles per charge and more USB device charging capacity. For drivers managing multiple vehicles or for commercial use where the jump starter may be used frequently, the larger battery means less time recharging and more time ready.\u003c\/p\u003e\u003ch3\u003eHow to Jump Start a Car — Faster Than Jumper Cables\u003c\/h3\u003e\u003cp\u003eJump starting a car with a portable battery jump starter is safer and faster than traditional jumper cables:\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eConnect the red clamp to the positive (+) terminal on the dead battery\u003c\/li\u003e\n\u003cli\u003eConnect the black clamp to a ground point or the negative (−) terminal\u003c\/li\u003e\n\u003cli\u003eThe spark-proof safety system confirms polarity before any current flows — no guessing, no risk of reverse connection\u003c\/li\u003e\n\u003cli\u003eAttempt to start the vehicle — crank for up to 5 seconds, wait 30 seconds between attempts\u003c\/li\u003e\n\u003cli\u003eOnce running, disconnect clamps and store the unit\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eTraditional jumper cables require a second vehicle with a charged battery, nose-to-nose positioning, and the correct connection order. The Battery Tender® 2000 Amp portable jump starter requires none of that — and at 2000 peak Amps, handles engines that most portable units cannot.\u003c\/p\u003e\u003ch3\u003eLithium vs. Lead-Acid Jump Starters\u003c\/h3\u003e\u003cp\u003eLead-acid jump boxes are heavy, lose charge rapidly in storage, and lose output significantly in cold temperatures — the exact conditions when a dead battery is most likely and most urgent. The Battery Tender® 2000 Amp lithium jump starter maintains consistent peak Amp output in cold weather, holds charge for months between uses, and weighs a fraction of equivalent lead-acid units.\u003c\/p\u003e\u003ch3\u003eUSB Power Bank — Daily Carry Justification\u003c\/h3\u003e\u003cp\u003eMultiple USB outputs charge phones, tablets, and electronics from the 16,000mAh lithium battery between jump starts — making the 2000 Amp a portable power bank with a jump starting function rather than an emergency device that sits unused. A device used daily is a device kept charged.\u003c\/p\u003e\u003ch3\u003eCompatible Vehicles\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFull-size trucks, diesel pickups, and large SUVs\u003c\/li\u003e\n\u003cli\u003ePassenger cars and sedans\u003c\/li\u003e\n\u003cli\u003eMotorcycles and touring bikes\u003c\/li\u003e\n\u003cli\u003eBoats and marine vessels\u003c\/li\u003e\n\u003cli\u003eRVs and campers\u003c\/li\u003e\n\u003cli\u003eATVs, UTVs, and off-road vehicles\u003c\/li\u003e\n\u003cli\u003eAny 12V gas engine up to V8 or diesel engine up to 8.0L\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSafety Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpark-proof clamp technology\u003c\/strong\u003e — no current flows until connection is confirmed correct\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse polarity protection\u003c\/strong\u003e — alerts and prevents current flow if clamps are reversed\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOvercurrent protection\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eShort-circuit protection\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOver-temperature protection\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e1-Year Limited Warranty | DeLand, Florida Since 1965\u003c\/strong\u003e\u003c\/p\u003e","brand":"Battery Tender®","offers":[{"title":"Default Title","offer_id":45584081616965,"sku":"030-2030-WH","price":179.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/7021\/0117\/files\/battery-tender-default-title-2000-amp-jump-starter-16000mah-power-bank-030-2030-wh-30744384340066.png?v=1787252765"},{"product_id":"power-tender®-4-amp-12v-6v-battery-charger-and-maintainer","title":"Power Tender® 4 Amp 12V\/6V Battery Charger and Maintainer","description":"\u003cp\u003eFour amps. Two voltages. Full Multi-Chemistry support. The Power Tender® 4 Amp 12V\/6V delivers efficient, high-output charging for lead-acid and Lithium batteries at either 6V or 12V — with ISM (Infinite Sequential Monitoring™) ensuring precision at every stage from initial recovery through indefinite float maintenance for both chemistries.\u003c\/p\u003e\n\u003ch3\u003eThe 4 Amp Advantage\u003c\/h3\u003e\n\u003cp\u003eAt 4 Amp output, the Power Tender® charges automotive batteries more than three times faster than a 1.25 Amp maintainer during the bulk phase. A fully depleted 60Ah car battery that takes over 48 hours to recover at 1.25 Amp recovers in under 15 hours at 4 Amp — with ISM managing the taper and transition to float automatically. For vehicles that need to be back in service quickly, or batteries too large to recover efficiently at lower outputs, 4 Amp is the practical charging threshold for most passenger vehicles.\u003c\/p\u003e\n\u003ch3\u003eMulti-Chemistry: Lead-Acid and Lithium\u003c\/h3\u003e\n\u003cp\u003eA manual chemistry selector delivers the correct ISM charging profile for either lead-acid or Lithium (LiFePO4) batteries. Lithium batteries require higher absorption voltages and a different float protocol than lead-acid — applying the wrong profile damages the battery over time. The Power Tender® 4 Amp eliminates this risk: select the chemistry once, and ISM delivers the correct voltages, tapering, and maintenance protocol for that battery type at either voltage setting.\u003c\/p\u003e\n\u003ch3\u003eISM: 4-Stage Charging at 4 Amp\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitialization\u003c\/strong\u003e — Battery health check and polarity confirmation before current flows at the selected voltage and chemistry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Charge\u003c\/strong\u003e — Full 4 Amp output restores depleted capacity efficiently at the correct voltage for the selected chemistry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbsorption\u003c\/strong\u003e — Current tapers automatically as the battery approaches full charge, eliminating overcharge heat damage for both lead-acid and Lithium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloat Maintenance\u003c\/strong\u003e — Delivers the correct maintenance protocol for the selected chemistry indefinitely, 24\/7, without overcharging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompatible battery size range: 14Ah to 100Ah at 6V or 12V. Lead-acid: flooded, AGM, gel cell, and sealed maintenance-free. Lithium: LiFePO4.\u003c\/p\u003e\n\u003ch3\u003e6V Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClassic and antique automobiles with 6V systems\u003c\/li\u003e\n\u003cli\u003eVintage motorcycles and pre-1960s vehicles\u003c\/li\u003e\n\u003cli\u003eAntique tractors, farm equipment, and machinery\u003c\/li\u003e\n\u003cli\u003eAny 6V lead-acid or Lithium battery from 14Ah to 100Ah\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e12V Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCars, sedans, and compact SUVs\u003c\/li\u003e\n\u003cli\u003ePickup trucks and full-size SUVs\u003c\/li\u003e\n\u003cli\u003eMotorcycles and touring bikes\u003c\/li\u003e\n\u003cli\u003eATVs, UTVs, and side-by-sides\u003c\/li\u003e\n\u003cli\u003eBoats and marine vessels\u003c\/li\u003e\n\u003cli\u003eLawnmowers and garden tractors\u003c\/li\u003e\n\u003cli\u003eRVs and campers\u003c\/li\u003e\n\u003cli\u003eAny 12V lead-acid or Lithium battery from 14Ah to 100Ah\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDual Voltage — One Charger for the Entire Garage\u003c\/h3\u003e\n\u003cp\u003eThe manual 6V\/12V selector delivers full 4 Amp output at either voltage. For garages that maintain both vintage 6V vehicles and modern 12V vehicles — with either lead-acid or Lithium batteries — one Power Tender® 4 Amp replaces multiple separate chargers with one intelligent unit.\u003c\/p\u003e\n\u003ch3\u003eAutomatic Temperature Compensation\u003c\/h3\u003e\n\u003cp\u003eCharge voltage adjusts automatically based on ambient temperature at both voltage settings — delivering the correct charge profile in cold winter storage and hot summer conditions without manual adjustment.\u003c\/p\u003e\n\u003ch3\u003eSafety Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpark-proof connection\u003c\/strong\u003e — No current flows until polarity and connection are confirmed correct\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse polarity protection\u003c\/strong\u003e — Automatic shutdown if connections are reversed, protecting Lithium BMS systems and ECUs\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eShort-circuit protection\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eETL and CETL certified\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAfter Charging: Indefinite Float Maintenance\u003c\/h3\u003e\n\u003cp\u003eAfter the Power Tender® 4 Amp completes bulk and absorption charging, ISM transitions to the correct float maintenance protocol for the selected chemistry automatically. Batteries do not need to be disconnected. Sulfation in lead-acid batteries is prevented entirely through continuous float maintenance. Battery life consistently extends from 2–3 years to 5 years or more.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3-Year Limited Warranty | DeLand, Florida Since 1965\u003c\/strong\u003e\u003c\/p\u003e","brand":"Battery Tender®","offers":[{"title":"Default Title","offer_id":45584081649733,"sku":"022-0209-BT-WH","price":104.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/7021\/0117\/files\/battery-tender-default-title-4-amp-power-tender-12v-6v-switchable-battery-charger-022-0209-bt-wh-59396462477681.png?v=1787252765"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/7021\/0117\/collections\/Batterytender-logo.png?v=1787656070","url":"https:\/\/nelsonsfordtrucks.com\/collections\/battery-tender.oembed","provider":"Nelson's Ford Trucks","version":"1.0","type":"link"}