This is the E-Flite LiPo Battery 14.8V 3300mAh 4S 50C 10AWG with EC3 Connectors. The E-flite 3300mAh 4S 14.8V 50C LiPo is ideal for 25-36 size airplanes as well as 15-size ducted fan airplanes. E-flite 50C Li-Po batteries provide the extra punch needed for the most demanding 3D maneuvers, while still providing a lightweight power solution.
Connector Type: EC3™
Weight: 12.2 oz (346 g)
Length: 5.20 in (132mm)
Width: 1.10 in (27mm)
Height: 1.70 in (43mm)
Maximum Continuous Discharge : 50C
Maximum Continuous Current : 165A