Cordless Phone Replacement Rechargeable Ni-MH 800mAh Battery Pack, Compatible with Uniden Original Manufacturers Part OEM No. BT909 BT-909, 2-Pack Purchase includes: Two (2) battery packs for (2) cordless phones. This battery pack replaces original manufacturers part number BT-909. Also replaces the following battery packs: BT909. Also replaces the following battery packs, which are designations by other battery companies: CPH-464B, CBC909, TEL10087. 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; Plug Type: Mitsumi-2R; Manufacturer: PKCell; Manufacturers Part No.: PK-0048 Compatibility: This Ni-MH 800mAh Battery Pack fits the Uniden phone models below: