| Battery | Standard voltage | 12.3 V or higher at 20°C (68°F) | |
| Standard Specific Gravity | 1.25 or higher at 20°C (68°F) | ||
| Charging circuit without load | Standard amperage | 10 A or higher | |
| Standard voltage | 13.2 to 14.8 V | ||
| Charging circuit with load | Standard amperage | 30 A or higher | |
| Generator brush holder assembly | Brush length | Standard length | 9.5 to 11.5 mm (0.374 to 0.453 in.) |
| Minimum length | 4.5 mm (0.177 in.) | ||
| Generator rotor assembly | Standard resistance | Slip ring | 1.5 to 1.9 Ω at 20°C (68°F) |
| Slip ring - Rotor | 10 MΩ or higher | ||
| Slip ring diameter | Standard diameter | 14.2 to 14.4 mm (0.559 to 0.567 in.) | |
| Minimum diameter | 14.0 mm (0.551 in.) | ||