9 Volt Battery Charger Smart 2 Bay for 9V Li-ion Ni-MH LiFePO4 Rechargeable Batteries Independent charging channels:charge 1 or 2pcs of 9 Volt rechargeable battery (100-652mAh) at a time. Mix charger:suitable for 7.4v Li-ion/8.4v Ni-MH /9.6v LiFePO4 rechargeable battery. Input AC90-260v:Build-in protection curcuit,Auto cut-off when full charging,Short circuit or Overcurrent. Smart 9v battery charger:Automatic detect voltage,2 LED Indicate charging status. Rapid charging,Charging output: 200mA,Finish Full Charging (about 1-4 Hours).