Electrical Specifications:
Capacity: 4,200mAh
Watt Hours: 46.6Wh
Discharge Power: 275W 
Discharge Current: 25A
Burst Current: 45A for 10 seconds
(avaliable between -6C/25F and 35C/95F with airflow)
Charge Rate: 4A Normal, 7A Rapid
Voltage Parameters:
Max voltage: 12.6V pack, 4.2V per cell
Min voltage: 7.65V pack, 2.55V per cell
 
Mechanical Specifications:
Cell: Molicel P42A
Configuration: 3S1P
Energy Density Specs:
Weight(±2g): 215g
Cell Energy Density: 225Wh/kg
Pack Energy Density: 217Wh/kg
Connectors:
Balance Plug: JST-XH-4P, 22AWG
Discharge Plug: XT60, 12AWG
Dimensions: 8cm x 4.3cm x 4cm (L x W x H)
Maximum Operating Temperature Range:
-17C/0F - 70C/158F