Genuine BAFANG M400 Mid Motor Controller CAN Bus Protocol 36V 15A 250W Replacement for Max Drive E-bike

Genuine Original BAFANG M400 CAN Protocol Motor Controller, dedicated replacement for Bafang M400 / G330 Max Drive mid-drive motor system, rated 36V 15A 250W, official OEM spare part for factory-built electric city bikes. Adopts mature CAN-Bus digital communication to connect motor, display and PAS sensor, stable data transmission without signal loss, fix original controller breakdown & communication failure efficiently.

✅ Genuine Bafang Original Parts

Authentic factory controller with original wiring harness & waterproof plug, consistent parameter same as stock component, no modification needed for replacement.

✅ Professional CAN-Bus Communication

Special CAN protocol (NOT UART version), triangular CAN plug port, matches all original CAN-type M400 motor & Bafang CAN dashboard; incompatible with UART round-port M400 unit, please confirm motor protocol before purchase.

✅ Stable 36V 15A 250W Output

Standard rated current 15A, max continuous power 250W, perfectly matches European 25km/h limit city ebike setup, precise PAS & torque sensor signal control, soft linear acceleration for comfortable riding.

✅ Multi-layer Safety Protection

Built-in over-current, over-voltage, under-voltage, reverse connection & overheat protection; cut off output automatically at abnormal status to protect battery & mid motor core.

✅ Compact Waterproof Housing

Integrated plastic shell with IP65 waterproof wiring connector, dustproof & splash-proof, suitable for daily commuting under rainy weather, easy to install inside frame cavity.

❌ This is CAN version controller, CAN triangular plug, CANNOT fit UART round-plug M400/G330 motor; distinguish plug shape before ordering.

1× Original BAFANG M400 CAN Controller with complete pre-wired harness