4PCS AA Battery Rechargeable + Charger
Batteries:
-Capacity: AA 1200mAh
-Voltage: 1.2V
-Chemistry: Ni-MH (Nickel Metal Hydride)
-Charger time: 7 hours
-Rechargeable Times: Up to 1200 times
-Suitable for: NiMH (Nickel Metal Hydride) or NiCd (Nickel Cadmium) rechargeable battery 
Charger:
-Model no.: DP-U21
-Input:D.C.5v
-Output:D.C.1.2V
-Charger AAA battery or AA battery
-Very convenient and easy to use
Package Content:
4 pcs  x AA 1200mAh Rechargeable Batteries
1 pcs  x USB Battery Charger