Watson NP-20 Lithium-Ion Battery Pack (3.7V, 600mAh)

The Watson NP-20 Lithium-Ion Battery Pack works with the same cameras as the Casio NP-20. This replacement battery pack features a capacity of 600mAh, 3.7V of output power, and 2.22 watt hours. Small and lightweight, lithium-ion batteries can be charged or discharged at any time without developing memory effects.