Lenmar Cell Phone Battery for Samsung SPH-3600, SPH-3650, SGH-D608, and SGH-D600 Series Fits Samsung SGH-D600, Samsung SGH-D600E, Samsung SGH-D608 (See description for additional Cell Phone Model fits) Replaces Samsung BST4389BEC, BST4389BC, BST4389BEC/STD, BEX438BBC 3.7 Volts, 900mAh Capacity Lithium-Ion 2 Year Warranty