These 1200mAh AA size batteries simply plug into any powered USB port to be recharged. They're a brilliant idea for battery operated PC input devices such as a mouse or keyboard. A Micro B USB cable is required for recharging.
For More info on Charging Batteries.
|Battery Chemical Composition||Nickel Metal Hydride (Ni-MH)|
|Amp Hour Rating||1200mAh|
|Type of battery||AA|