BAFANG Controller For BBS01B/BBS02B/BBSHD UART Mid Drive Motor Package Contents & Product Specs: Material: Alloy housing Color: Black Weight: approx 500g per set Package: 1×Motor Controller + 1×Waterproof gasket + outer packaging box Good waterproof performance with matched waterproof pad, stable performance under rainy riding conditions 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. 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: 1.36V system: only use 36V battery + 36V controller, 48V/52V/64V/72V batteries are forbidden 2.48V system: only use 48V battery + 48V controller 3.52V 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.

Product specifications