The NP-FG1 Lithium-ion Battery Pack from Pearstone is designed to replace Sony NP-FG1 or NP-BG1 batteries. Small and lightweight, Lithium-ion batteries can be charged or discharged at any time without developing memory effects.
| Chemistry | Lithium-Ion |
| Output Voltage | 3.7V |
| Capacity | 925mAh |
| Dimensions | 1.5 x 0.4 x 1.7" (36 x 9 x 42mm) |
| Weight | 1 oz (27g) |