| Brand | Upower |
| Nominal voltage | 4 V |
| Nominal capacity | 3.5 Ah (20HR) |
| Standby use | 4.5 ~ 4.6 V |
| Cyclic use | 4.8 ~ 5.0 V |
| Initial intensity | < 1.05 A |
| Maximum discharge intensity | 52.5 A max. |
| Internal resistance | 14 M? |
| Autodescarga | up to 6 months (25o) |
| Connection type | F1 |
| Dimensions | 65 (H) x 90 (W) x 34 (D) mm |
| Weight | 420 g |