Mowjo Posted August 20, 2009 Share Posted August 20, 2009 I need to change the Alternator on my boat, because the one on it is the first type that Thornycroft fitted when they phased out dynamo's, the guy at Thornycroft recommends fitting a 36Amp one as that what the pulley system was designed to take, and he's says it's more than man enough for two 110Amp battery's, but all the sites I've checked say that it should have more Amps, one even says you need a 50Amp one just to charge a 85Amp battery, anyone have any input on this, or know where I can find more info,, Regards Frank,, Quote Link to comment Share on other sites More sharing options...
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