1.Ni-MH-AA ,1.2V ,1450mAh.
300mAh,500mAh,800mAh,1000mAh,1450mAh for your choices.
2. Professional R&D Team.

Product Features:

*Charge anywhere from any accessible powered USB,No charger is needed .

*Easy charge easy go .
*Charge batteries before first use.
*LED light on showing battery is charging,light off full-charged .
*Recommended charge time 5-7hours via USB .
*Recharge via powered USB or with an approved NiMH Charger .

Warning :
*Do not dispose of in fire .
*Do not insert batteries with the (+) and (-) ends reversed .
*Do not open ,disassemble ,incinerate or short -circuit .
*Never mix  different types or brands of batteries .
*Batteries getting warm during charging. Keep out of reach of children .