Samsung 3.85Volt Rechargeable Lithium Ion Phone Battery. Part No. BAT6921, EB-BG950ABE. Dimensions 83mm X 40mm X 5.7mm. 3.85Volt, 3000mAh. Li-Ion rechargeable battery. Suits Samsung Galaxy S8 models SM-G950, SM-G950F, SM-G950FD, SM-G950V, SM-G950A. We have been supplying appliance parts to the trade and retail for over 25 years. Buy with confidence.