On this video I show you how to replace the battery pack and rework the full electronic system to avoid to buy the official battery pack from the original brand. The full cost of the rework is around 200€, against the 500€ of the origial battery pack duplicating the range with our rework.
The links of the other three videos if this serie below:
Spot welder: https://www.youtube.com/watch?v=E4l0lxI4um0
Battery Pack: https://www.youtube.com/watch?v=XffAK46hYwQ&t=567s
Hub motor rework: https://www.youtube.com/watch?v=n04WM8KESNc&t=158s