Battery Tender High Efficiency Portable Power Charger

The battery tender plus high efficiency is a 1.25 amp battery charger designed to fully charge a battery and maintain it at proper storage voltage without the damaging effects caused by trickle chargers. included is a quick connect ring terminal harness for hard to reach areas and alligator clips for an alternate connection. this unit replaces the 021-0128 in the california market. input: 100 - 240 vac @ 50 / 60 hz. output: 12 volts dc @ 5.0 amps. automatically switches from full charge to float charging mode. reverse polarity protection to ensure user safety; red and green lights alternately flash in this condition. complete 4-step charging program (initialization, bulk charge, absorption mode, float mode). safety timer: 72 hours. five-year warranty. listed in california appliance efficiency database. agency approvals: ul / csa / bc.