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post #9 of Old 05-24-2012
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Re: Echo Charger with standby battery bank

OK, you have a 24V system. All my comments (and Maine Sail comments above) were predicated on a 12V system, but it shouldn't make any difference to you because the EchoCharge works with both 12V and 24V systems.

The following is from the Xantrex EchoCharge manual:

When the input voltage is 13.0/25.5 volts DC or higher, echo-charge
automatically switches ON. The LED glows a steady green. When the
input voltage is lower than 13.0/25.5 volts, the echo-charge automatically
switches OFF, and the LED blinks green.

The output voltage of echocharge is limited to 14.4/28.8 volts. When it reaches 14.4/28.8 volts, the charge current will decrease, maintaining a float condition. The starter battery will be fully charged without overcharging.
No load current drain on the house bank is less than 50 milli-amps.

If the input voltage is above 14.4 volts (or 28.8), output will be limited to a
maximum of 14.4/28.8 volts.

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