Originally Posted by HighTechCoonass
Please explain what's happening in this picture to someone electrically retarded like me
I want to be able to leave my USB adapter plugged in all the time! I have a slightly different setup though, SAE pigtail straight to battery with SAE<->USB adapter plugged in at the other end. Would putting one of these gizmos in between the SAE pigtail and the battery help in my situation?