Battery Tender® Plus 12V, 1.25 Amp 6V/12V Selectable. Why Choose the Battery Tender® Plus over the Battery Tender® Junior? The Plus 1.25 Amp delivers 50% more power than a Battery Tender® Junior which means a much quicker charge. Vehicles on the roads today come standard with more electronics, meaning a heavy voltage draw from your battery even when your vehicle is turned off. The Plus is strong enough to off set the drain keeping your battery at peak performance! Input: 120VAC. Output: Switchable from 6 Volts or 12 Volts DC @ 1.25 amps. Reverse polarity protection to ensure user safety. Complete four-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode). Perfect for all lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell). Safety timer: 72 hours. Listed in California Appliance Efficiency Database.