Xantrex’ digital echo-charge (part#82-0123-01) is designed to charge auxiliary or starting batteries from an inverter/charger or other charging source with limited voltage drop. The Xantrex echo-charge detects when the house battery bank is being charged and directs a portion of the charge current to auxiliary or starting batteries. The maximum charger current offered by echo-charge is limited to 15 amps.

Product Features:

15 A maximum charge current
Automatically adjusts for 12 or 24 volt battery banks (both battery banks must be the same DC voltage and battery type)
Automatically switches on/off without affecting the in-house battery bank or over-charging
Utilizes excess current from the primary charging source
Built-in thermal and over-current circuits
Reverse polarity protection
Easy three wire installation