Lenmar PMPSD065 Lithium Ion Replacement Battery for SanDisk 25-57-00065 Fits: Sandisk C200, C240, C250 Replaces: Sandisk 25-57-00065 3.7V / 550mAh Lithium Ion 2 Year Warranty Fits SanDisk C200 Series Replaces 25-57-00065 3.7V 550mAh Lithium Ion 3 Year Warranty