The Go Power! 15 amp charger is used to charge your 24 volt batteries using AC power, the GPC-24-15 provides 15 amps continuous power and can be used as a 400 watt DC power supply as well as a charger, All instructions for installation are provided, Using state-of-the-art converter switch-mode technology Go Power! Battery Chargers are reliable compact and lightweight, for RV systems they feature high continuous output to feed your 24 volt loads when plugged into shore power, All models feature switchable output voltage modes one for float charging and one for rapid charging, The optional GPC-Smart Controller converts the Go Power! models to a three-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, AC male power cord for hooking up to AC power, Fuse protected on DC side, Mount upside down or on any angle, Can be used as a power supply, SKU: APS547