Cordless Phone Replacement Rechargeable Ni-MH 800mAh Battery Pack, Compatible with Uniden, Southwestern Bell, Sony, Radio Shack, Original Manufacturers Part OEM No. BT0003 BT-0003, 5-Pack Purchase includes: Five (5) battery packs for (5) cordless phones. This battery pack replaces original manufacturers part number BT-0003. Also replaces the following battery packs: BT0003. Also replaces the following battery packs, which are designations by other battery companies: CPH-510, BATT-BT0003, CB0BT3, BBTY0545001. Features and Specification: Voltage: 3.6V; Chemistry: Nickel-Metal Hydride (Ni-MH); Capacity: 800mAh; Battery Pack Composition: (3) Ni-MH 1.2V Size AAA batteries; Manufacturer: PKCell; Manufacturers Part No.: PK-0045 Compatibility: This Ni-MH 800mAh Battery Pack fits the Uniden, Southwestern Bell, Sony, and Radio Shack phones models below: