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Old Mar 20, 2010, 07:11 PM
Ira NZ is offline
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Upper Hutt, New Zealand
Joined Apr 2006
2,973 Posts
You just need to be sure the batteries are at a roughly similar state of charge before charging them. I put a wattmeter on one battery when I plugged it into a parallel harness with another. 3s 2250s. There was a half volt difference and that was enough for the higher voltage pack to charge the lower at 5 amps.
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