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

Features and Benefits:

Unique and New! With PCB protection!
Li-Ion 18650 cylindrical rechargeable batteries with Internal Voltage protection PCB!
Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V.
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

Lighting or other device that needs 3.7V power
Building portable power device needing high energy density and low weight

Product Specifications:

Capacity* Nominal 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. 46 g yes
Nominal Voltage: Average 3.7V
Cut-off Voltage: 3.0V
Internal Impedance: less or equal to 150 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 (for continuous discharge)

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
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