4-Bank, 1.25 AMP 12V Battery ChargerBattery Tender 022 0148 DL WH 4 Bank, 1. 25 AMP 12V Battery Charger Four chargers, one product! This Battery Tender 4 bank charger is designed to charge and maintain up to four batteries simultaneously at 1. 25 AMPs. Like all of Bells chargers, this 4 bank switches to float mode once your vehicle is fully charged to prevent overcharging. 4 CHARGING STATIONS Charge up to four 12 volt batteries at 1. 25 AMPs simultaneously; automatically switches from