Is it okay to hear a slight popping noise when I plug my charger into the port of my scooter. All scooters can to this and it's perfectly normal when plugging into the battery. It's the current being connected. Related articles Why isn't there a port cover over my charging port? How to Tighten D4+2.0 Stem What is the weight limit on your scooters? How to wake the battery to fix a voltage drop issue How to Install D6+ Steering Damper Comments 0 comments Please sign in to leave a comment.