If it follows suit with the previous M400, then you need the 48V controller.
you mean that there is different type for 36 and 48 and they different in hardware ? is there any email to someone in bafang to ask ?
The separate motor controller may or may not handle higher voltage even if the motor will. The windings will often take double the rated voltage. Then again, motors do burn out at the rated voltage in time. I knew a company that ran 12 v motors on 24 volt scooters for use inside the company. They ran nearly double quick. But they sold scooters so they had lots of spare parts.
Those would have almost certainly been brushed motors, and *those* will wear out faster at higher voltages from the greater brush arcing. Brushless motors like those in the systems being discussed in this thread don't have that problem. Most BL motors have wire insulation that can handle at least a couple of hundred volts, some of them higher than that--so they are unlikely to have problems with the higher voltage itself.
Sounds good. Good luck!Pretty sure it is a diffrent controller for each version like on bbs02,m400,m500 and m600 .....
