OEM Motorola BT91 for Motorola Rival A455, Motorola KRZR K1m, Motorola Q, Motorola Q9c, Motorola Q9m, Motorola W380, Motorola W385, Motorola W755, Motorola Entice W766, Motorola MOTOROKR Z6m, Motorola MOTORIZR Z6tv
Motorola BT91 Extended Battery This Extended Battery Requires Extended Door Model Battery Capacity: 1860 mAh