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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...
wa8yxm's avatar
wa8yxm
Explorer III
Feb 24, 2013
One thing about SG after topping off but NOT yet equlizing....

When you add Distilled water (SG 1.0) it normally starts out sitting at the top of the battery, in time through normal action some acid (higher SG) mixes in and raises the SG but this may happen at different rates depending on the cell. I would expect wildly differing readings right after topping off.

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