Anderson power poles have fast become the go to connectors amateur radio operators use to connect power to equipment. When operators use the same style it makes it easier to use equipment at field days or emergencies.
K7AGE has put tighter a good video on empaling what the power poles are and how the connect. He also has a video on how to solder them.
Red on Right, Read A.
Power poles are not too complicated and you should try them sometime. They make a good connection and you can unhook them when not needed.