The Xantrex Echo Charge is designed to charge auxiliary or starting batteries from an inverter/charger or other charging source with limited voltage drop. With a 15 A maximum charge current. It automatically adjusts for 12 or 24 volt battery banks (both battery banks must be the same DC voltage and battery type). Automatically switching on/off without affecting the in-house battery bank or over-charging utilizing excess current from the primary charging source.
Updated 01/13/2023: Amazon Prime members receive free shipping on this item.