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Sell 18650 battery

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  • Company Name :Jiangsu Sunpower Co., Ltd.
  • Membership :Free member
  • Registrarion Date :2019. 07. 01
  • CountryRegion:China
  • Address:No. 8, Xingyuan Road, Huangqiao Industrial Park, Taixing, Jiangsu, China Taizhou Jiangsu, China
  • Phone / Fax:86-0523-58566663  /  86-0523-58566663
  • Contact:Yuanyuan Zhang
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INR18650-3000mAh Li-ion Rechargeable cylindrical battery,18650 battery,High security lithium ion battery,power tool lithium ion battery supplier

Safety  Characteristic of car 18650 battery

NO.  Item   Standard   Test Method
1  Overcharge  No fire、No explosion  After standard charge, rest for 10mins; then charge at constant current of 3C to 10V.(or charge at 3C for90mins).
2  Forced discharge  No fire、No explosion  The battery to be discharged with standard discharging condition, Inverse charge current =1C;time: ≥90mins

               3  Short Circuit test  No fireNo explosion  The battery to be fully charged with standard charging condition, and short the positive and negative terminals with wire resistance ≤50mΩ.Tests are to be conducted at 23℃±3℃  and at 55℃ ±5℃, keep 24h or casetemperature decline to 20% of the max temperature ,test is over.
4  Crush test  No fire/No explosion  A battery is crushed between two flat surfaces. The applied force is 13 kN±1kN by hydrocylinder, Once the maximum pressure has been obtained or voltage decrease to 1/3 of nominal voltage sharply, then release pressure.
5  Shock test  No fire/No explosion  The full charged battery is fixed on shock table, to force a certain shock to three mutual vertical direction, in initial3ms, the min. average acceleration is 75gn,the peak acceleration is between 125gn and 175gn.
6  Heating test(130°C)  No fire/No explosion  The cells are fully charged with standard charging condition, and put into incubator with nature air or cycled air convected, heat battery by velocity of 5°C ±2°C/min to130°C±2°C,and maintain for 10mins.
7  TemperatureCycling Test  no leakage, no fire, no explosion   The fully charged batteries are placed in a test chamber and subjected to the following cycles: a) Raising the temperature to 75°C ±2°C within 30 minutes and maintaining this temperature for 6 hours.


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  • Sell 18650 battery

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