Charges batteries and keeps batteries at optimal charging capacity

Maintainer keeps the battery at optimum level by charging as needed

40 Amp Engine Start helps to start most vehicles in seconds

Compatible with AGM, GEL and WET 12V lead-acid batteries

Alternator Test lets you know when the alternator is operating out of range

Electric pulse technology can help reverse sulfate build-up on battery plates to improve charge capacity and extend battery life

Automatically checks battery and indicates battery voltage level

Automatically selects charge rate and adjusts from rapid charge to trickle charge to maximize battery life