This extension cable is made of high quality 16 AWG resistant copper wire that is thick and durable. One end is a 0.315 in CC adapter and the other end is positive and negative.
The red female connector is positive polarity and black is negative. Confirm the positive and negative poles of your solar panel or solar battery portable generator while used.
Perfect for GZ Yeti solar generator, portable power generator, solar power station, solar power pack, battery electric vehicle, UPS batteries, 500 lithium battery, storage battery, golf cart and forklift, etc.