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Electrical Specifications:

Nominal Voltage: 14.4V

Capacity: 8,000mAh

Watt Hours: 115.2Wh

Constant Discharge Power: 265W

Constant Discharge Current: 28 Amps

Burst Current: 40A for 10 seconds

(avaliable between -6C/25F and 35C/95F with airflow)

Charge Rate:

  • 8 Amps Normal, 12 Amps Rapid

Voltage Maximums:

  • Max voltage: 16.8V pack, 4.2V per cell
  • Min voltage: 10.2V pack, 2.55V per cell


Mechanical Specifications:

Cell: Amprius 18650

Configuration: 4S2P

Energy Density Specs:

  • Weight(±1g): 409.5g
  • Cell Energy Density: 302.9Wh/kg
  • Pack Energy Density: 281Wh/kg
  • Pack Volume 183.7cm^3
  • Pack Volumetric Density: 0.627Wh/cm^3


  • Balance Plug: JST-XH-5P, 22AWG, 45mm lead
  • Discharge Plug: XT60, 12AWG, 60mm lead


  • 13.47cm x 3.77cm x 3.77cm (L x W x H)

Maximum Operating Temperature Range:

  • -17C/0F - 70C/165F

4s AMPRIUS GREEN 8000mAh 265W Dark Lithium LiIon Battery


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