This product can charge 1-2 Li-ion batteries in any capacity.
Each slot controls independently and has independent indicator.
AC 110-240V 50/60Hz
DC 4.2V 200mA *2
Charging Instruction Mode
A. If doesn’t install the batteries and plug in, LED indicators turn into green.
B. During charging, the indicator is red.
C. Once battery is full, the indicator turns into green.
Charging Control Mode