3.7V 4000mAh High Quality Overcharge Discharge Protection Lithium Ion Battery

Product Details

  • Place of Origin: China
  • Brand Name: iSPACE
  • Certification: CE UN38.3 MSDS
  • Payment & Shipping

  • Minimum Order Quantity: 1
  • Price(USD) : To be negotiated
  • Payments: Western Union, T/T, L/C, Paypal
  • Shipping: 10-30 days

    Product Detail

    Product Tags

    Industry-leading Efficiency

    The characteristics of this lithium battery are super power and advanced carbon, which can improve safety and high energy density, improve cycle life, impedance and safety of new electrolyte formula and anti-explosive design, high-strength design.



    Safety >

    Innovative patent protection, stable riveting process structure.

    Large Capacity >

    Large capacity, constant voltage output, intelligent breathing light charging management.

    Intelligent >

    Intelligent IC chip, with six protections such as overcharge, overdischarge,overvoltage, short circuit, overtemperature,overcurrent, and undervoltage, ect.

    Quick Detail

    Product Name: 3.7v 400mah Lithium battery Typical Capacity: 4000mah
    Weight: 74±0.3g OEM/ODM: Acceptable
    Warranty: 12 Months/one Year

    Product Parameters

    3.7V Lithium Battery Series
    ITEM 77C 4000mah
    Type USB 21700
    Model 77C-50
    Charging Mode USB Type C
    Voltage 3.7V
    Input 5V 1.5A (Max)
    Output 4.2V-2.75V 8A(Max)
    Capacity 185000mWh(4800mAh)
    Size 21*77±0.5mm
    N.W 74±0.3g
    Package single cell PP box+colorful girdle+ 20cm Type-C cable
    Advantage Innovative patent protection, stable riveting process structure;large capacity, constant voltage output, intelligent breathing light charging management; intelligent IC chip, with six protections such as overcharge, overdischarge, overvoltage, short circuit, overtemperature, overcurrent, and undervoltage, ect.
    Application Flashlights, headlights, bicycle lights, emergency lights, work lights,loudspeakers, mini fans, instrumentation, etc.

    *The company reserves the final right for explanation on any of the information presented hereby

    Product Applications


    This lithium-ion battery is widely used and can be applied to the following products:
    1.Telecommunications: earphones.
    2.Audio and Video Devices: Digital cameras, Camcorders, Portable DVD, MD, CD players.
    3.Information Devices:Personal facsimile machines, PDAs.
    4.Electronic cigarette, Miner Lamps.Robotics,digital cameras, surveillance equipment, flashlights, emergency lights, etc.

    Detailed Images

    recharge battery  3.7v 4000mah
    3.7v rechargeable battery
    3.7v 4000mah rechargeable lithium battery

  • Previous:
  • Next: