There should be some kind of connection between the battery leads and your jacket. Otherwise how are you going to get on and off the bike to do anything but ride? You would have to take your jacket off and leave it with the bike.
The connections attach to your battery posts, the lead goes to where you can attach the connection to your jacket. Couple for heat when heading out, disconnect when you dismount so you don't have to drag your bike with you and or leave your jacket on the bike.
The connections attach to your battery posts, the lead goes to where you can attach the connection to your jacket. Couple for heat when heading out, disconnect when you dismount so you don't have to drag your bike with you and or leave your jacket on the bike.