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4pcs Tenergy Li-Ion 18650 Cylindrical 3.7V 2200mAh Flat Top Rechargeable Batteries w/ PCB

18650PCB_4

NoteIf 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 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 timeApplications Lighting or other device needs 3.7V power Building portable power device needs high energy density and low weightWarning CAUTIONwhen 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 Neverleave 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 batteriesProduct Specifications Capacity* Nominal 2000 mAh, Minimum 1950 mAhInternal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V. UNIQUE INTERNAL PCB! Dimensions Diameter 18+/-0.2 mm Height66+/- 0.2mm Weight (Typical) Approx. 46 g yes Nominal VoltageAverage 3.7VCut-off Voltage3.0V Internal Impedanceless or equal to180 milliohm (with PTC)Cycle Performance90% of initial capacity at 400 cyclesCycle life> 500 cycles ChargeCurrent =0.5C mA Voltage = 4.2 V End Current =0.01 mADischargeCurrent =0.5C mA End Voltage = 3.0V Max. Charging current1.5C ma Max. Discharging current 1.5C ma (for continuous discharge)Internal PCB Specifications:ParameterMinimumTipicalMaxmumUnitOperation Voltage1.510VExcess Charge Detection Voltage4.24.254.3VExcess Charge Release Voltage44.054.1VExcess Charge Delay Time617793mSExcess Discharge Detection Voltage2.4372.52.563VExcess Discharge Delay Time71013mSExcess Current Detection Voltage0.170.20.23VExcess Current Delay Time91317mSShort circuit Protection VoltageVDD-1.2VDD-0.9VDD-0.6VShort circuit Protection Delay Time550uSConsuming Current36uAStandby Current 0.30.6uACircuit Impedance6070m-Ohm

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