MODELS: GPC-100-MAX | GPC-75-MAX | GPC-55-MAX | GPC-45-MAX | GPC-35-MAXGo Power! Smart Battery Converter Chargers offer fast, accurate battery charging at a reasonable cost. Using state-of-the-art, converter switch-mode technology, Go Power! Battery Chargers are reliable, compact and lightweight and are designed specifically to extend the life of deep-cycle battery banks. For RV systems, they feature high continuous output to feed your 12-volt loads when plugged into shore power.