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landyacht318's avatar
landyacht318
Explorer
Oct 12, 2012

Specific Gravity varied widely after topping up.

The other day I checked my 9 month old Crown batteries and found the plates exposed slightly on a few cells and cursed mightily. I hadn't checked them in about 3 months. I covered the cells with di...
mena661's avatar
mena661
Explorer
Oct 12, 2012
Take an SG reading, don't disconnect anything. You need to take occasional readings while you're doing this. When the SG rise stops OR you hit 16V, stop the charging. Don't worry about the length of time, it's all about getting the SG back up. Mine can take up to 3 hrs. BFL's can even longer.

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