Three-stage charging (TC-CC-CV); 

 Soft-start function and over-discharged battery activation function;

 Perfect protection: Over voltage protection, over-current protection, short circuit  protection, anti-reverse-battery protection;

Perfect heat dissipation design;

Identify input voltage and the rechargeable battery quantity intelligently,adjust the charging current automatically;

Two LED indicators display the charging status;

Two independent charging slots, can charge two pcs 3.7V 10440 /14500/16340 /17335 17670 /18350/18500 /18650 rechargeable lithium-ion batteries at one time;

Approved RoHS, CE certificates 

When fully charged, it stops charging automatically;