If you look closely at the picture, the red wire goes to the plug at one end, and to the socket at the other end. They must be connected in the same way in order for both ends to work in the connector housing and still be properly connected.
Efficient Charging With LST 7 Stages 5A Battery Charger - 3.3A 12V For Ultimate Performance
35 Review
Xiaomi 70mai Jump Starter Midrive PS01
120 Review
Mroinge Automatic 6V/12V Trickle Charger For Vehicles, Motorcycles, Boats And More - Maintain Your Batteries With Ease!
29 Review
CARKU Pro-10 black/red
91 Review