Unlike other types the place You will find there's fuse or relay in sequence with the output, which might increase the damping aspect or modify the sound, our protection circuitry displays the sign actively, but does so optically from outside the circuit path. Steve, I'm beside myself about these https://mopedelectricprice18392.bloggazza.com/26247564/getting-my-electric-scooter-6000w-to-work