Just for the record here is a chart in specific gravity and degrees F

1.100 18, 1.120 13, 1.140 8, 1.160 1, 1.180 -6, 1.200 -17 1.220 -31, 1.240 -50, 1.260 -75, 1.280 -92, 1.300 -95.

1.230 is the standard I teach for go or no go on battery test that requir... Login to read more.