| Battery standard voltage | Positive (+) terminal - Negative (-) terminal | 12.5 to 12.9 V (20°C (68°F)) |
| Battery | Standard Specific Gravity | 1.25 to 1.29 at 20°C (68°F) |
| Fuse | Standard Resistance | Below 1 Ω |
| Charging circuit without load | Standard Current | 10 A or more |
| Standard Voltage | 12.1 to 15.4 V | |
| Charging circuit with load | Standard Current | 30 A or more |
| Generator brush holder assembly | Standard exposed length | 9.5 to 11.5 mm (0.374 to 0.453 in.) |
| Minimum exposed length | 4.5 mm (0.177 in.) | |
| Generator rotor assembly resistance | Slip ring - Slip ring | 2.3 to 2.7 Ω at 20°C (68°F) |
| Slip ring - rotor | 1 MΩ or higher | |
| 80A Type: Generator rotor assembly slip ring diameter |
Standard diameter | 14.2 to 14.8 mm (0.559 to 0.583 in.) |
| Minimum diameter | 14.0 mm (0.551 in.) |