The NP-70 Lithium-Ion Battery Pack from Pearstone is designed to replace the Casio NP-70 battery. 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 | 1000mAh |
| Dimensions | 1.5 x 1 x 0.3" (38 x 25 x 8mm) |
| Weight | 2 oz (57g) |