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Old 11-10-2013, 00:37   #31
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Location: canada
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Re: Combining Solar, Wind and Alternators efficiently

the echo charge wires will only charge the engine batterys when the charger is on. it's basicly just the same as a 3 bank charger. with a main and 2 small outputs. unless you are on gen or shore, you don't get charge from the charger.

you still need a way to charge the start batteries from the alternators. I would recommend the promariner isochargers

do not combine the 2 start batteries as someone mentioned... keep them sepertate. and choose something that will charge all 3 banks from the alts.

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Old 11-10-2013, 04:32   #32
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Location: Careel Bay, NSW Australia
Boat: Sparkman & Stephens Deb 33 - Design 1873 MkII deep keel - 1974 UK/Dutch built version Tartan 34C
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Re: Combining Solar, Wind and Alternators efficiently

I just tested the batteries (direct to each terminal) with digital Multimeter and looks like one of the Exide Deep Cycle batteries has lost a Cell. Readings were:

BM-1 Monitor: house bank: 13.4V Unloaded and 12.4V Loaded with 4.8A
Number 2 in house bank: 10.74V Unloaded and 10.75V Loaded with 4.8A
Number 1 in house bank: 13.17V Unloaded and 12.25V Loaded with 4.8A

The bad Number 2 had one cell very low in acid, so I topped up but it had heavily gassed and was sitting in a bath of acid. I'll let it top up on the wind gen and see if it is recoverable, but could have dropped the cell permanently...

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alternator, solar, wind

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