Specification:

Battery Type: 18350
Battery Voltage: 3.7V
Battery Capacity: 900mAh
Battery size: 18 * 35mm
Battery internal resistance: ≤80mΩ
Charging cut-off voltage: 4.2V
Discharge cut-off voltage: 2.75V
Applications: electronic cigarette, LED lights, flashlights, microphones, digital cameras, walkie-talkies, 

electronic door locks, electric toys, emergency lighting, alarm systems, medical equipment, 

communications equipment, instrumentation.

Package include:

2pcs x 18350 rechargeable Battery