The is an electric scooter controller manufactured by Shenzhen Kechuangqi Technology . It is a common replacement part for various 36V electric scooter models, including the Foston X-Play . 🛠️ Key Technical Specifications Voltage: DC 36V (Low voltage protection at 31V ± 0.5V) Current Limit: 15A Rated Power: 350W Speed Modes: 10 km/h, 15 km/h, and 25 km/h
If the LED display shows an "E" followed by a number, it indicates a specific component failure: Motor phase failure. kcq-yb-yx01-v4.0