{"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":"Default Title","offer_id":52241549492498,"sku":"022-0211-DL-WH","price":84.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1929\/4483\/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=1777901457","url":"https:\/\/hdwerks.net\/products\/battery-tender-plus-1-25-amp-selectable-12v-6v-battery-charger-and-maintainer","provider":"HDwerks ","version":"1.0","type":"link"}