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hammick's avatar
hammick
Explorer
Oct 25, 2015

Help: initial charge on new Crown 330ah batteries

I have a couple new 6v Crown deep cycle 330ah deep cycle batteries. I want to do an initial charge on them. I borrowed an old school Schumacher charger from a friend that is completely manual. It h...
BFL13's avatar
BFL13
Explorer II
Oct 25, 2015
You need more voltage to get that SG moving up. Indicates the batteries are sulfated or stratified or whatever, so an equalization session would be needed. 16v is "normal" for equalizing, so it would depend on how far above 16.0v it goes with that charger on its 50a setting, whether it would be ok to do that.

I'd give it a whirl but be ready to shut it down. But they are not my batteries! :)

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