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


NoteThis Button Top Version is most suitable for Flashlights that uses 2 Cylindrical 18650 Li-Ion Cells.Unique and New! With PCB protection! Button-Top cellIideal for many flashlight Li-Ion 18650 cylindrical rechargeable batteries with Internal Voltage protection PCB! Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.325V. 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 timeApplications Perfect for Olight M30, M31, M21, and M20S Lighting or other device that needs 3.7V power Building portable power device needing high energy density and low weightProduct Specifications Nominal Capacity*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. 46g Nominal Voltage3.7V Cut-off Voltage3.0V Internal Impedance 150 m (with PTC) Cycle Performance90% of initial capacity at 400 cycles Cycle life> 500 cycles Charge:Current0.5C Voltage = 4.2V End Current =0.01C Discharge:Current0.5C End Voltage3.0V Max. Charging current1C Max. Discharging current 1CWarning 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 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

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