Lenmar CLSG628 Cellular Phone Battery for Samsung SGH - E620, SGH - E628 Series 1 Pack - Case - Carrier Packaging - Neutral 3.7V 900 Mah Li-Ion Fits Samsung(R) Sgh-E628 And Sgh-E620 Fits Samsung SGH-E620, Samsung SGH-E628 (See description for additional Cell Phone Model fits) Replaces Samsung CCR040SBEC/STD, BST3438SC, BST3438SEC/STD 3.7 Volts, 900mAh Capacity Lithium-Ion 2 Year Warranty