The EN-EL7 is a rechargeable lithium-ion battery exclusively for use with Nikon digital cameras. It allows you to take approximately 250 images on your COOLPIX camera and can be recharged repeatedly using the MH-56 Battery Charger.
Rated capacity is 7.4V / 1100mAh
Dimensions (W x D x H) are approx. 36mm x 16mm x 56mm (1.4" x 0.6" x 2.2") (excluding protections)
Weight is approx. 70g, excluding carrying case