Li-Ion 18650 3.7V 2200 mAh rechargeable battery FULLY PROTECTED with PCB Lithium-Ion (as low as) $5.29!

Features and Benefits

• Unique and New! With PCB protection inside cell!
• Lithium Ion 18650 cylindrical rechargeable battery
• 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
• Higher energy density and lower weight than other types 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
• Lighting or other device needing 3.7V power
• Building portable power device needing high energy density and low weight

Product Specifications

• Capacity* Nominal  2200 mAh, Minimum 2150 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 67+/- 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) 
  

Internal PCB Specifications: