Xantrex 15 Amp Auxillary Echo-Charge Battery

Xantrex's Auxillary Echo-Charge Battery is an electrical system management accessory. It conveniently charges auxiliary or starting batteries from an existing charging source, such as a battery charger or inverter/charger. The Auxillary Echo-Charge Battery is digital and detects when the source battery bank is being charged and directs a portion of the charge current to auxillary or starting batteries.