The Watson EN-EL20 Lithium-Ion Battery Pack works with the same cameras as the Nikon EN-EL20. This replacement battery pack features a capacity of 900mAh, 7.4V of output power and 6.66 watt-hours. Small and lightweight, lithium-ion batteries can be charged or discharged at any time without developing memory effect.

Compatible Cameras
Nikon COOLPIX:
A

Nikon 1:
J1
J2
J3
S1

Blackmagic Design:
Pocket Cinema Camera