This battery does not have a protection circuit fitted & as such is not intended for use in vapes, cameras etc or similar consumer items. It is intended for assembly into packs / devices by experienced personnel only.

Battery specifications:

Brand: Samsung
Model: 40T
Size: 21700
Chemistry: INR
Nominal Capacity: 4000mAh
Nominal Voltage: 3.6V
Discharge: 30A Max Continuous
Positive: Flat/Button Top/Tabs (please select)
Protected: NO
Rechargeable: Yes
Dimensions: 21.1mm x 70.4mm
Weight: 65g