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Lithium Ion 18650 3.7V 4000mAh rechargeable battery pack for power bank and LED flashlight

Lithium Ion 18650 3.7V 4000mAh rechargeable battery pack for power bank and LED flashlight

Voltage:3.7V Capacity:4000mAh Max Charge Voltage:4.2V Charge Current:0.5C-3C Cycle Life:More than 500 times Working Temperature:Charge:0-45℃,Discharge:-30-60℃ Humidity:60±25%R.H Battery Dimension:Customized Battery Features: 1: High energy density2: High working voltage for single battery cells3: Pollution-free4: Long cycle life5: No memory effect6: Capacity, resistance, voltage, platform time consistency is good7: With short-circuit production function, safe and reliable8: Good consistency, low self-discharge9: Light weight, small and …

  • About Us

    We specialized in customize all kinds of rechargeable batteries and battery packs for more than 10 years, including Lithium-ion battteries, Lithium-Polymer batteries,Ni-MH batteries,Ni-CD batteries,LiFePO4 batteries.

     

  • How to get your batteries

    Firstly,please send us your battery specification requirements.Secondly,after all details informations are confirmed,battery samples will be arranged for your testing.Thirdly,Mass production will be arranged after samples are approved.

  • Certifications

    Required certifications can be made according to customers’ requirements.

  • Contact Information

    Tel No:0755-82772785
    Email: sales@customizedbattery.com
    Web:www.customizedbattery.com