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Old 04 March 2007, 07:59   #11
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Originally Posted by Richard B View Post
Why would you want to parallel the batteries if one went flat? Just isolate the flat one and use the fully charged one. Keep it simple..........
It is Simple, you just turn a switch that says parallel on it.

Chris
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Old 04 March 2007, 08:17   #12
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Chris, sorry I didn't fully understand the setup you were describing!

However, the "parallel" setting isn't the appropriate one for the scenario you're describing. You would switch to the 2nd battery only. The parallel or both setting would be used for maximum current when starting a cold engine from cold batteries and you needed a large cranking current. In practise, this would be a rare occurence.

We used to have a diesel engined boat with a setup like this and because the batteries weren't very well matched, we only ran one battery at a time, and only charged one at a time.
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Old 04 March 2007, 08:19   #13
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I guess thats not a problem I can turn off the crank battery and then select parallel that woud then mean I was using the second battery.

Chris
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