Tenergy Li-Ion 18650 Cylindrical 3.7V 2200mAh Button Top Rechargeable Battery w/ PCB

Note: This Button Top Version is most suitable for Flashlights that uses 2 Cylindrical 18650 Li-Ion Cells.

Features and Benefits:

> Unique and New! With PCB protection!
> Button-Top cell: Iideal for many flashlight
> Li-Ion 18650 cylindrical rechargeable batteries with Internal Voltage protection PCB!
> Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.325V.
> Unique PCB design and patent pending.
> 3.7V 2200mAh high capacity
> High energy density and lower weight than other rechargeable batteries
> Manufactured under ISO9001-2000 to assure quality
> Battery tested based on International Electrotechnical Commission (IEC) standard to ensure capacity, quality and life time

Applications

> Perfect for Olight M30, M31, M21, and M20S
> Lighting or other device that needs 3.7V power
> Building portable power device needing high energy density and low weight

Product Specifications:

> Nominal Capacity*: 2200 mAh
> Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V. UNIQUE INTERNAL PCB!
> Dimensions:
Diameter 18+/-0.2 mm
Height:66+/- 0.2mm
> Weight (Typical) Approx. 46g
> Nominal Voltage: 3.7V
> Cut-off Voltage: 3.0V
> Internal Impedance: ≤ 150 mΩ (with PTC)
> Cycle Performance: 90% of initial capacity at 400 cycles
> Cycle life: > 500 cycles
> Charge:
Current: 0.5C
Voltage = 4.2V
End Current =0.01C
> Discharge:
Current: 0.5C
End Voltage: 3.0V
> Max. Charging current: 1C
> Max. Discharging current 1C

WARNING

> CAUTION: when working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mis-handled.
> User should have enough knowledge on Li-Ion rechargeable batteries in charging, discharging,and assembly before use.
> Put the batteries in fire-proof container
> Do not put batteries on wood surface or carpet when charging
> The battery is/are not suitable for e-cig mod.
> Never leave battery un-attended when charging
> We are not resopnsible for damage if there is any modification of the batteries in form, shape,or when made into packs
> We are not responsible for any damage caused by misuse or mishandling of these Li-Ion batteries