7.4V 1000m Ah Li-Ion This Battery replaces the Nikon part EN EL9 & is a Lithium Ion rechargeable Digital Camera Battery. This high-capacity rechargeable lithium-ion battery is a replacement for Nikon EN EL9 battery. It features lithium technology which ensures maximum battery life & maximum power. It also features no memory loss effect that lets you recharge partially drained batteries without reducing performance. Please note Our compatible battery fits other devices not necessarily listed here. Please see your instruction manual for your battery part number. This battery is compatible with the following cameras.D40 D40x D60 All our digital camera batteries are manufactured to the highest standard. They are all fully compatible replacements of the original & in most cases offer a higher capacity & are fully guaranteed for 2 years.