50A Yuyang King (YYK) Controller DEFAULT SETTING Test Drive! 72v Electric Scooter Modified Fiido Q1s

Modified Fiido Q1s.
4200W below motor rated power!

50A Yuyang King (YYK) Controller
72v 37Ah Battery pack
60v/72v 4500w LD Hub Motor

Check this link video tutorial:    • How I Built my Fastest Electric Scooter! 4...  


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