Bafang Mid Drive Motor Controller Replacement for BBSHD BBS01B BBS02 BBS02B Motor 48V 750W 52V 1000W 36V 250W 350W 500W

Bafang Mid Drive Motor Controller 250W/350W/500W/750W1000W

Package Contents & Product Specs

Material: Alloy housing
Color: Black
Weight: approx 500g per set
Package: 1×Motor Controller + 1×Waterproof gasket + outer packaging box

Compatible Motor Series：

1.BBS01/BBS01B：36V 250W、36V 350W、48V 350W
2.BBS02/BBS02B：36V 500W、48V 500W、48V 750W
3.BBSHD：48V 1000W、52V 1000W

Important Incompatible & Purchase Reminders（Must Read Before Order）

1. Motors that CANNOT fit this controller
❌ Bafang mid motors manufactured before 2015 (old BBS generation)
❌ Old controllers without gear/headlight plugs (internal wiring structure mismatch)
❌ Bafang mid motors using CAN communication protocol
❌ 48V 1000W controller cannot match 52V 1000W motor, vice versa
2. Voltage Matching Rule (Critical)
Motor, controller, battery must share the exact same voltage:
36V system: only use 36V battery + 36V controller, 48V/52V/64V/72V batteries are forbidden
48V system: only use 48V battery + 48V controller
52V system: only use 52V battery + 52V controller

Using mismatched high voltage battery will trigger error code 07 on your display, and may burn out the controller.

Key Upgrade Advantage：New VS Old Version

✅ New Version (This Product)
Comes with pre-wired gear sensor connector + front headlight connector, you can directly connect gear shift sensor and bicycle headlight without extra wiring modification, richer expandable functions.
❌ Old Version
No reserved plugs for gear sensor and front lamp; you need to do tedious wire splicing if you want to install shift sensor or headlight.

Supported Display Instruments

Works seamlessly with original Bafang displays: SW102、SW102T、C965、BN136、C961、C18

Level 0-9: SW102、C965、C961、C18
Level 0-5: SW102T、BN136

Reminder: If error code pops up after installation, the error definition follows official Bafang display standard, you can contact customer service for troubleshooting.