Material: metal and plastic.
Color: black
Size: 100*42*32mm/3.94x1.65x1.26"
Input Voltage: 110-240V 47/63Hz
Output: 4.2V/600mA
Quantity: 1 piece

Charging time(for reference only):
If the battery capacity is 900MAH, charging time is about 2.5 hours.
If the battery capacity is 2500MAH, charging time is about 7.5 hours.
If the battery capacity is 4500MAH, charging time is about 15 hours.
6 hours (18650); 2 hours (14500);
1 hour (10440)

It can charge either 1 or 2 batteries at a time.
Automatically stops when charging has completed.
With a LED indicator: red light stands for charging status and green light for fully charged.
It's suitable for some cylindrical lithium batteries such as 18650, 14500, 16340, 10440.