1) rechargeable NI-MH battery pack 2) 9V 200mAh 3) CE/UL/OHS approval 4)over 1000 recycles Nimh Rechargeable battery (9v 180mah)-9v Size 200 mAh Rechargeable* Rated Voltage: 9V* Chemistry: Nickel-Metal* Rated Capacity: 200mAh* Application: DVD, Mp3, Digital Camera, Portable Computer, Cordless Phone, Electrical toy and so on. NI-MH rechargeable battery