With this EN-EL19 Rechargeable Lithium-Ion Battery Pack from Power2000, you can power the same cameras that run on the Nikon EN-EL19. Keep one in your bag for use as a spare or replacement whenever the need arises. The battery features the same 3.7V of output power as the original, but offers an increased capacity of 1000mAh to allow for longer shooting times. The overall energy consumption of this EN-EL19 cell is 3.7Wh.