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Old 05-18-2019, 12:29 PM   #2
dhays
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City: Gig Harbor
Vessel Name: Kinship
Vessel Model: North Pacific 43
Join Date: May 2015
Posts: 9,046
Based on some past questions on TF (and answers by folks that know what they are talking about) it appears that a good GRP 31 should be able to start your Volvo without a problem.

If your current house bank is 2 x 8Ds, isn’t that a bit over 300Ah? 4 x GC2 would be maybe 220-240Ah? Unless you don’t need much, I would think that the 4 x GC2s may give you less capacity than the 8Ds gave when the boat was new.
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Dave
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