Synonymous with German quality & reliability this Ansmann branded Li-Ion digital camera battery is a cost effective & reliable alternative to the Olympus Li-50B original battery pack. Specifically designed to replace the Olympus Li-50B, this high performance Li-Ion battery pack also features built-in circuit protection for added safety. Specifications: 3.7 V / 770 m Ah / 2.8 Wh Fits the following cameras: Olympus Mju: 1030SW / 1020 / 1010 / 1060 / TOUGH 6000 / TOUGH 8000 / 9000 Please Note: The above compatibility list may not be exhaustive. This battery requires charging before use.