Nikon ENEL9 High Capacity Lithium Ion Battery For Nikon D40 (7.4v, 1200mAh)

The BP-EL9 high capacity rechargeable lithium-ion battery is a replacement for the Nikon EN-EL9 (Part# 25353). It features lithium technology, which ensures maximum battery life and maximum power. It also features no memory effect that lets you recharge partially drained batteries without reducing performance. Compatible with Nikon D40 and all similar models accepting the EN-EL9 Battery.