Features: XT60 female head I (2+1) with signal pin to O-terminal wire, available in 5 lengths. 12AWG (approximately 3.3mm2) wire, OD4.0x8.0mm redness black double parallelled wire. Redness positive electrode, black negative electrode, with O-rings inner diameter of 8mm. Support up to 30Amp. Suitable for use in model aircraft, UAV, solar energy storage batteries, and ship solar cell cable.