The Notice of Amazon that the battery would often bought with the Fujifilm X10, gives the incorrect impression that this battery with 3.7 V for the X10 or (Fujifilm X20 Digital Camera (12MP, 4x opt. Zoom, Full-HD, 7.1 cm (2.8 inch) LCD CMOS sensor, HDMI, image stabilization, USB 2.0) silver) would be appropriate, especially as the query "NP-50" exactly with or without supplementation of the search term "Fujifilm X20" to This article leads and contributes to mislead. The original battery with the same designation "NP-50", but with the right voltage of 3.6V can be found here: Battery-net premium battery for cameras Fuji NP-50A Original, 3.6V, Li-Ion.