# | Accumulators | Basic characteristics | Apperance | Price (US dolars) |
3 | NiMH | Nominal voltage: 3.6 V Capacity: 600 mAh Stored Energy: 2.1 Wh |
| 6 |
3 | Li-Ión | Nominal voltage: 3.6 V Capacity: 690 mAh Stored Energy: 2.5 Wh |
| 12 |
1 | Ultracapacitor | Rated voltage: 16 V Capacitance: 58 F Stored Energy: 2.1 Wh |
| 123 |