Electrical Specifications:
Nominal Voltage: 14.4V
Capacity: 4,000mAh
Watt Hours: 57.6Wh
Constant Discharge Power: 140W
Constant Discharge Current: 16 Amps
Burst Current: 24A for 10 seconds
(avaliable between -6C/25F and 35C/95F with airflow)
Charge Rate:
4 Amps Normal, 6Amps 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: 4s1p
Energy Density Specs:
Weight(±1g): 205.98g
Cell Energy Density: 302.9Wh/kg
Pack Energy Density: 279.6Wh/kg
Pack Volume: 92.705cm^3
Pack Volumetric Density: 0.6213Wh/cm^3
Connectors:
Balance Plug: JST-XH-5P, 22AWG
Discharge Plug: XT30 or XT60, 14AWG
Dimensions:
7.16cm x 3.7cm x 3.7cm (L x W x H)
Maximum Operating Temperature Range:
-17C/0F - 70C/165F