Forum Discussion

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...
landyacht318's avatar
landyacht318
Explorer
Oct 12, 2012
I think I killed them.

Last night they dropped to 12.2 volts after depleting only 20 amp hours from them.

The SG is not rising on any of the cells I've checked.

I'm gonna drain them low tonight and try again tomorrow.

Balls.

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,351 PostsLatest Activity: Jan 21, 2026