Schumacher 12/24 Volt Charger

10 amp power charges either single or dual 12V batteries automatically. When they reach full charge, unit switches down to a low maintenance charge. Also allows manual operation. Designed to charge all deep-cycle, recreational, marine, auto, truck, RV and van 12V battery systems ? both maintenance-free and conventional. UL listed. 11-1/8"W x 5-3/8"D x 10-3/8"H.