3.7 Volt 21700 Lithium Ion Battery (4000 mAh)

3.7 Volt 21700 Lithium Ion Battery (4000 mAh)

SKU: 76783

Power Portable

$17.99
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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

Note

  • Li-Ion Batteries may explode if you do not charge or discharge them properly.
    Users must have knowledge on how to charge and discharge Li-Ion batteries before making Li-Ion Battery Packs. We are NOT responsible for any damage that is caused by the misuse of Li-Ion Batteries.
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