Watson EN-EL19 / NP-BJ1 Lithium-Ion Battery Pack

The Watson EN-EL19 / NP-BJ1 Lithium-Ion Battery Pack works with the same cameras as the Nikon EN-EL19 and Sony NP-BJ1 battery. This replacement battery pack features a capacity of 700mAh, 3.7V of output power and 2.6 watt-hours. Small and lightweight, lithium-ion batteries can be charged or discharged at any time without developing memory effect.