S1 Plus - Acceleration handlebar/Throttle, Brake handlebar, and Display replacement tutorial

Collect the bars, unscrew the screws, pull out the scooter head, and unscrew the Accelerator handlebar (in the video both the Accelerator handlebar, brake handlebar, and display are replaced, you could replace the accessories according to the actual situation of your scooter)
Remove the instrumentation, please note the filming of the wire connections in case you can't see the wiring clearly at the back.
Installing the Acceleration Handlebar and fixing the screws; (in the video the brake handlebar is on the left and the acceleration handlebar is on the right)
Plugging in the wires, the red connector on the gauge is for the brake handlebar, the white connector on the gauge is for the acceleration handlebar.
Putting the wiring in order and installing the display.
placing the screws of the gauge with pliers (or you can use another tool for placing screws), tightening the screws and tightening the various screws.
install the front end of the scooter, paying attention to the direction of the arrow on the assembly wire, and pull out the stem after fitting it, as in the video, before tightening the screws on the handlebars.
Once assembled, you can switch on the machine to see if there are any problems.

[@TheOrijinalPajeet]

Kogoo S1 Plus, battery stops charging at 2 bars, all lights are slightly turned on while the scooter is off (vampire drain). How to fix guys? Is it the controller or the battery?. Any way to reset everything? Help?