This is not an 18650 cell, this cell is the new 21700 form factor.
Country of Origin: South Korea
Max. continuous discharge current: 25A (35A Temp Limited) - Rated by Mooch
Nominal capacity: 3950 mAh
Nominal voltage: 3.6 V
Discharge end voltage: 2.5 V
Charging voltage: 4.20 +/- 0.05 V
Standard charging current: 1.5 A
Protection: Not Protected (Flat-Top)
Safety, storage and disposal
Lithium ion (Li-Ion) Cells can be dangerous if used improperly. By buying Li-ion batteries from Fogstar, the buyer assumes all associated risks.
Always use a battery charger that is rated for Li-ion cells
Batteries should never be left charging unattended
Batteries should never be loose in pocket or bag (use case provided)
All lithium batteries have a cycle-life, however a battery should be replaced every 2 years - whichever comes first.
Never continue to use a battery with a broken PVC wrap.
Never completely discharge batteries
Do not expose to extreme heat