Product information:

Type number: NCR18650B
Life expectancy: 1000 times
Voltage: Standard 3.6-3.7V, full 4.35V, full 2.75V
Internal resistance: within 40 milliohm
Capacity: 3400mah
Foot inch: diameter 18mm, length 65mm
Uses: notebook battery core replacement, strong flashlight, mobile equipment backup power supply, but also can do a variety of rechargeable pool group, widely used!

Packing list:

1* battery

Product picture: