21700 lithium ion battery 4000mAh side profile image

3.7 Volt 21700 Lithium Ion Battery (4000 mAh)

SKU: 76783

Power Portable

$25.19
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Description

Specifications

    Nominal Voltage:3.6 Volt
    Size:21700 (Cylindrical)
    Capacity:Nominal Capacity: 4000 mAh - Minimum Capacity: 3900mAh
    Chemistry:Lithium Ion
    Terminal:Flat on Both Ends
    Charging Voltage:4.2 Volt
    Cutoff Voltage:2.75 Volt
    Standard Charge Current:Current: 0.5C (2000mA) - Voltage: 4.20V - End of current: 80mA±5mA
    Max Charge Current:0°C ≤ T ≤ 5°C,   0.1C (400mA) - 5°C < T ≤ 15°C, 0.2C (800mA) - 15°C<T ≤ 45°C, 0.5C (2000mA)
    Standard Discharge Current:Current: 0.5C (2000mA) - End of Voltage: 2.75V
    Max Discharge Current:-20°C ≤ T ≤  5°C, 1C (4000mA) - 5°C < T ≤ 45°C, 3C (12000mA) - 45°C <T ≤ 60°C, 1.5C(6000mA)
    Weight:69g
    Diameter:21.44mm
    Height:70.8mm

Features

    • No memory effect
    • Long storage life
    • Light weight and high energy density
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