Input :100-200V AC 50/60HZ
Output : 4.2VDC 300mA
World wide voltage input ;
Constant voltage and current for charging;
No charge when the battery positive and negative is reverse;
Charging for flat cylinder lithium batteries (18650/17670/18490/17500/16340/17335/14430/14500/10440);
Reparing the low-voltage battery ;
Trickle charging function, to ensure that the battery is in saturated .