6 PCS Tenergy Li-Ion 18650 Cylindrical 3.7V 2200mAh Flat Top Rechargeable Batteries

Note: If using for Flashlights that uses 2 Cylindrical 18650 Li-Ion Cells, see our Buttop Top versions for better compatibility:
Tenergy 3.7v Li-Ion 18650 2600mah Rechargeable Battery (Button Top) w/ PCB
Tenergy 3.7v Li-Ion 18650 2200mah Rechargeable Battery (Button Top) w/ PCB

Features and Benefits:

> Li-ion 18650 Flat Top Cylindrical Rechargeable Batteries.
> 3.7V 2200mAh high capacity.
> High energy density and lower weight than other rechargeable batteries.
> Manufactured under ISO9001-2000 to assure quality.
> UL # MH48285.
> Battery tested based on International Electrotechnical Commission (IEC) standard to ensure capacity, quality, and life-span.

Applications

> Building Laptop Battery.
> Building portable power device that needs high energy density and low weight.

Product Specifications:

> ominal Capacity: 2200 mAh; Minimum 2150 mAh
> Dimensions Diameter: 18+/- 0.2 mm
> Height: 65+/- 0.2mm
> Weight (Typical): Approx. 1.6 oz
> Nominal Voltage: Average 3.7V
> Cut-off Voltage: 3.0V
> Internal Impedance: less or equal to 180 milliohm (with PTC)
> Cycle Performance: 90% of initial capacity at 400 cycles
> Cycle life: > 500 cycles
> Charge: Current = 0.5C mA; Voltage = 4.2 V; End Current = 0.01 mA
> Discharge: Current = 0.5C mA; End Voltage = 3.0V
> Max. Charging Current: 1.5C mA
> Max. Discharging Current: 1.5C mA (for continuous discharge)

WARNING

> CAUTION: when working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mishandled.
> Protective Circuit Board is required when making packs.
> User should have enough knowledge about Li-ion rechargeable batteries before charging, discharging, and assemble.
> Put the batteries in fire-proof container.
> Never leave batteries unattended when charging.
> Do not put batteries on wood surface or carpet when charging.
> We are not resopnsible for damage of any modification of the batteries in form, shape,or when made into packs.
> We are not responsible for any damages caused by misuse or mishandling of theses Li-ion batteries.