1)Suitable for 1- 2 pcs NiMH/NiCd AA/AAA,Li-ion 18650 18500 26650 battery             
                                                               
2)Independent charging channel with LCD indication

3)Full protection for short-circuit  & over-temperature& overcharge          
                                                               
4)Reverse polarity protection,will alert when place wrong polarity and battery voltage lower than 0.3V   

5) CC CV charging & MCU control  6)USB output,can use as a Powerbank