What is the freezing point of electrolyte?
| Digital Voltmeter Open Circuit Voltage | Approximate State-of-Charge | Hydrometer Average Cell Specific Gravity | Electrolyte Freeze Point |
|---|---|---|---|
| > 12.65 | 100% | > 1.265 | -75˚ F (-59.4˚ C) |
| > 12.45 | 75% | > 1.225 | -55˚ F (-48.3˚ C) |
| > 12.24 | 50% | > 1.190 | -34˚ F (-36.7˚ C) |
| > 12.06 | 25% | > 1.155 | -16˚ F (-26.7˚ C) |
| > 11.89 | Discharged | > 1.120 | -10˚ F (-23.3˚ C) |