Step 1: Source Parts
The first scooter has rusted away and is completely un-ridable. It is a 36V machine.
The second is a 24V model, with heavily sulfated battery packs. Ridable, if you can get it power
Charger: I picked up a battery charger from harbor freight for other projects -- it cost me $10
That's all that's really needed -- lets get to it.
Step 2: Gut Scooters
Important things to mark on the motor controller
- Power Switch
- Brake Switch (to kill motor while braking)
- Hall effect sensor (throttle) -- this has three wires B-R-Gr
- Any other accessories (such as a horn or running lights)