3.7V 3500mAh Li-Ion IMR18650 Battery 20A discharge high power battery NH1835 (KEEPPOWER)

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Nice High Drain IMR18650 Li-ion rechargeable battery that is really inexpensive for the (quite high) power it provides. Be sure to use it with a proper holder.


  • Quality High Drain Li-ion Rechargeable Battery
  • Brand: KeepPower
  • Size: 18650
  • Nominal Voltage: 3.7V
  • Nominal Capacity: 3500mAh
  • Charge Method: constant voltage with limited current
  • Standard Charge Current: 1000mA
  • Fast Charge Current: 3000mA
  • Max. Plus Discharge Current: 20.0A
  • Max. Constant Discharge Current: 10.0A
  • 4.2 volts full charged voltage and 2.5 volts discharge cut off voltage
  • Operating Temperature: Charge 0℃~45℃, Discharge -10℃~60℃
  • Storage Temperature: -20℃~60℃
  • Dimensions: (D)18.5mmx(L)65.3mm


  • High charge and discharge currents reduce cycle life;
  • Please charge this battery with a quality li-ion battery charger before first use;
  • Do not keep or use this battery in high temperature or humid environment;
  • Do not use this battery if there is weeping, bulging or any other problem;
  • Do not throw this battery into fire or water, or it may fire or explode;
  • Do not crush, hit or impact this battery;
  • Do not disassemble this battery;
  • Keep out of reach of children;
  • Battery will be hot when it works, please take it carefully after use;
  • If this battery has not been used for a long time(>3months), please charge it before using it again;
  • If the electrolyte goes into eyes, please wash eyes immediately and go for a medical treatment.
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