The Dynamite Reaction 2S 7.4V 50C Hard Case LiPo Battery with a EC2 Connector.
Specifications:
Application: 1/18 Scale Surface
Battery Balance Connector: JST_XH
Battery Capacity: 300-999mAh
Battery Type: LiPo (3.7V per cell)
Battery Voltage: 7.4V
Capacity: 800mAh
Connector Type: EC2
Discharge Lead Length: 2.5" (64 mm)
Hard Case: Yes
Maximum Charge Rate: 1C
Maximum Continuous Discharge Current: 50C
Number of Cells: 2
Product Height: 0.8" (20 mm)
Product Length: 2.3" (58 mm)
Product Weight: 2.11 oz (60g)
Product Width: 1.2" (30 mm)
Watt Hours: 5.9Wh
Wire Gauge: 18 AWG