This battery is a Lithium Ion 18500 sized battery, known as a 18500 because it it 18mm in diameter and 50mm in length.
It has a voltage of 3.7 and a capacity of 1400mAh.
This battery is a suitable replacement for a wide variety of general applications fitting the specifications of the battery. It is also used in hair and beard trimmers.
Please note - this battery is 3.7V and under no circumstances should it be used to replace a 1.2V NiMH or 1.2V NiCd cell as damage will result
Specifications:Length: 50mm (suitable for replacing 52mm, 53mm and 49mm long batteries)
Diameter: 18mm
Voltage: 3.7V
Typical Capacity: 1400mAh
Chemistry: Li-Ion
Protection circuitry: No
Connection: Flat positive top, flat base
If you need the 3.7v 18500 1400mAh battery pack with wires, please go
HERE