...
| Percentage | Voltage |
|---|---|
| 12.9 | 88 |
| 12.8 | 85 |
| 12.6 | 79 |
| 12.5 | 73 |
| 12.4 | 70 |
Extrapolating from above
| Voltage | Percentage |
|---|---|
| 14.7 | 100 |
| 90 | |
| 80 | |
| 12.4 | 70 |
| 60 | |
| 50 |
References
| Reference | URL |
|---|---|
| Wikipedia | https://en.wikipedia.org/wiki/Lead%E2%80%93acid_battery |
| Charging Lead Acid Batteries | https://batteryuniversity.com/learn/article/charging_the_lead_acid_battery |
...