Synonymous with German quality & reliability this Ansmann branded Li-Ion digital camera battery is a cost effective & reliable alternative to the Nikon EN-EL19 original battery pack. Specifically designed to replace the Nikon EN-EL19, this high performance Li-Ion battery pack also features built-in circuit protection for added safety. Specifications: 3.7V / 700 m Ah. Fits the following cameras: Nikon Coolpix S100, S2500, S2600, S3100, S3300, S4100, S4150, S4300. Please Note: The above compatibility list may not be exhaustive. This battery requires charging before use.