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 2000mAh high capacity
• Higher 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 needs 3.7V power
• Building portable power device needs high energy density and low weight

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 responsible for damage if there is any modification of the batteries in form, shape, or made into packs
• We are not responsible for any damage caused by misuse or mishandling of these Li-Ion batteries

Product Specifications

• Capacity* Nominal  2400 mAh, Minimum 2350 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 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)