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Electrical Specifications:

Nominal Voltage: 21.6V

Capacity: 20,000mAh

Watt Hours: 432Wh

Constant Discharge Power: 1100W

Constant Discharge Current: 50 Amps

Burst Current: 75A for 10 seconds

(avaliable between -6C/25F and 33C/90F with airflow)

Charge Rate:

  • 15 Amps Normal

Voltage Maximums:

  • Max voltage: 25.2V pack, 4.2V per cell
  • Min voltage: 15.3V pack, 2.55V per cell
  • Storage voltage: 21V pack, 3.5V per cell


Mechanical Specifications:

Cell: Amprius 18650

Configuration: 6s5p

Energy Density Specs:

  • Weight(±1g): 1513.6g
  • Cell Energy Density: 302.9Wh/kg
  • Pack Energy Density: 285Wh/kg
  • Pack Volume: 747.48cm^3
  • Pack Volumetric Density: 0.577.8Wh/cm^3


  • Balance Plug: JST-XH-7P, 22AWG
  • Discharge Plug: XT60 or XT90, 12AWG


  • 14.5cm x 9.37cm x 5.593cm (L x W x H)

Maximum Operating Temperature Range:

  • -17C/0F - 70C/165F

6s AMPRIUS GREEN 20000mAh 1100W Dark Lithium LiIon Battery


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