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post #10 of Old 02-25-2011
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Another Data Point


Here's another data point:

After sitting overnite with the EchoCharge connected to both battery banks but no charging current on, voltages this morning are:

Gel-cell house battery bank: 13.02

AGM start battery: 13.02

Charge current from the EchoCharge to the AGM battery: 0.25A

Because the resting voltage of the gels is above 12.9 or so, the EchoCharge light has been on all night and the device is still active, putting a tiny charge into the AGM "start battery".

Later today I plan to test the setup by putting a really high voltage on the gels for a short time, and see what the EchoCharge passes thru.

Stay tuned :-)

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