The Go Power! Smart Battery Converter/Charger can charge your RV battery or directly provide 12-volt load through shore power. It offers fast accurate battery charging at a reasonable cost. It is reliable compact lightweight and designed specifically to extend the life of deep-cycle battery banks. For RV systems it features high continuous output to feed your 12-volt loads when plugged into shore power. It features switchable output modes one for float charging and one for rapid charging and a four stage charger with an automatic equalization stage to periodically boost charge batteries. This is especially useful for batteries which often sit idle for long periods. This unit is designed for flooded lead acid and AGM batteries only. Gel Cells can be damaged by the higher charge voltages of this unit.