Lenmar Cellular Phone Battery for Samsung a740, SPH-A740, and PM-A740 Series 3.7V 1150mAh Replaces Bst331Asab Fits Samsung Pm-A740 & Sph740 Fits Samsung a740, Samsung PM-A740, Samsung SPH740 (See description for additional Cell Phone Model fits) Replaces Samsung BST331ASAB 3.7 Volts, 1150mAh Capacity Lithium-Ion 2 Year Warranty