Floureon 10x Ni-mh Cordless Phone Batteries for At&t 1231 2231 2419 2420 E1215 E1225 Type: Replacement Battery . Reachargeable: Yes . Chemistry: Ni-MH Voltage: 3.6V (Compatible with 3.7V) . Capacity: 1000mAh Color: Fruit Green . QTY: 10 Pieces Package Content: 10X 3.6V 1000mAh Ni-MH Cordless Phone Batteries for Motorola MD-4150