The KCQ-YB-YX01-V4.0 is a 36V, 350W, 15A electric scooter controller designed for imitation Xiaomi M365/Pro models and managed via the KCQ Scooter app. It features three speed modes (reaching up to 32 km/h when unlocked), Bluetooth connectivity, and built-in protection systems. Technical details and specifications are available from AliExpress . KCQ Controller v4 | UK,USA,EU STOCK | Fast Delivery
kcq = Key Control Question (the spine of the checklist) yb-yx01 = our product line / project ID v4.0 = fourth major revision, fully backward-documented kcq-yb-yx01-v4.0
This V4.0 iteration is designed for 36V systems and offers consistent performance for urban commuting: DC 36V (Low voltage protection at The KCQ-YB-YX01-V4