Synonymous with German quality & reliability this Ansmann branded Li-Ion digital camera battery is a cost effective & reliable alternative to the Nikon EN-EL9 original battery pack. Specifically designed to replace the Nikon EN-EL9, this high performance Li-Ion battery pack also features built-in circuit protection for added safety. Specifications: 7.4 V / 1000 m Ah / 7.4 Wh Fits the following cameras: Nikon D40 / D40x / D60 Please Note: The above compatibility list may not be exhaustive. This battery requires charging before use.