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The Xantrex Digital Echo Charge sends up to 15A from a charging house bank to an auxiliary or starting battery, on 12V or 24V.
This solves a specific gap: the main charger, alternator or inverter charger feeds the house bank, and the starting battery gets nothing. Rather than adding a second charger or a combining relay, the Echo Charge diverts a controlled portion of the current already flowing into the house bank.
Fifteen amps is the ceiling, which is appropriate for a starting battery that is nearly full after every engine start. It switches on and off automatically without disturbing the primary battery, and it avoids overcharging the auxiliary bank rather than simply passing whatever is available.
One condition matters: both banks must use the same voltage and the same battery type. A lead-acid starter alongside a lithium house bank is outside what this handles, since it passes the primary bank's charging profile through rather than generating its own. Explore more battery charging accessories.
The Xantrex Digital Echo Charge sends up to 15A from a charging house bank to an auxiliary or starting battery, on 12V or 24V.
This solves a specific gap: the main charger, alternator or inverter charger feeds the house bank, and the starting battery gets nothing. Rather than adding a second charger or a combining relay, the Echo Charge diverts a controlled portion of the current already flowing into the house bank.
Fifteen amps is the ceiling, which is appropriate for a starting battery that is nearly full after every engine start. It switches on and off automatically without disturbing the primary battery, and it avoids overcharging the auxiliary bank rather than simply passing whatever is available.
One condition matters: both banks must use the same voltage and the same battery type. A lead-acid starter alongside a lithium house bank is outside what this handles, since it passes the primary bank's charging profile through rather than generating its own. Explore more battery charging accessories.
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