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Bafang CR C101.C

bafang-e.com/en/oem-area/components/component/controller/cr-c101c

The Bafang CR C101.C is an e-bike controller with CAN communication, an operating range of -20℃ to 60℃, a 500 or 750 W rating and a nominal 36 / 48 or 48 / 52 V.

Last updated: 6 September 2026

What we found

  • Published as 36 / 48 or 48 / 52 V · 500 or 750 W · 27 / 22 or 24 / 22 A.
  • 18 specifications are published for it, each with the source it was read from, 1 of them corroborated by a second source.
  • No matching recall was found in the records this catalogue holds from 8 regulators.

Assembled from the evidence on this page. Every figure and count below is shown with the source it was read from.

Motor and performance

Continuous rated power
500 or 750 W

“Rated Power (W) 500 , 750”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Current limit
27 / 22 or 24 / 22 A

“Current Limit (A) 27 / 22 , 24 / 22”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Rated input power
850W

“Rated Input Power: 850W”

Source: bafang-e.com/uploaded/manual/BF-DM-C-CR C101-EN.pdf

Rated output power
650W

“Rated Output Power: 650W”

Source: bafang-e.com/uploaded/manual/BF-DM-C-CR C101-EN.pdf

Rated current
18A

“Rated Current: 18A”

Source: bafang-e.com/uploaded/manual/BF-DM-C-CR C101-EN.pdf

Walk-assist speed
5 km/h

“Walk Assistance (km/h) 5”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Throttle
Optional

“Throttle Optional”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Rated voltage
36 / 48 or 48 / 52 V

“Nominal Voltage (Vdc) 36 / 48 , 48 / 52”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

“Power Supply: 48V DC”

Source: bafang-e.com/uploaded/manual/BF-DM-C-CR C101-EN.pdf

Operating temperature
-20℃ to 60℃

“Operating Temperature: -20℃ to 60℃”

Source: bafang-e.com/uploaded/manual/BF-DM-C-CR C101-EN.pdf

Battery and charging

Low-voltage cutoff

The maker’s own documents give different figures

42V

BF-DM-C-CR C101-EN.pdf · retrieved by us 4 September 2026

“Undervoltage Protection: 42V”

Source: bafang-e.com/uploaded/manual/BF-DM-C-CR C101-EN.pdf

32 / 41 or 41 / 44 V

BAFANG_Workbook_OEM_2027_EN.pdf · retrieved by us 4 September 2026

“Low Voltage Protection(Vdc) 32 / 41 , 41 / 44”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Brakes and safety

Brake sensor
Optional

“E-Brake Optional”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Frame and components

Lighting it can drive
Front light and rear light (6V3W)

Source: bafang-e.com/uploaded/manual/BF-DM-C-CR C101-EN.pdf

Most lighting power it can supply
6 / 12 (max) 12 / 24 (max) 48 / 48 (max)

“Light Drive Capacity (Vdc/W) 6 / 12 (max) 12 / 24 (max) 48 / 48 (max)”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Size and fit

Overall dimensions
110 × 56 × 34 mm — Bafang's A, B and C

“A (mm) 110 , B (mm) 56 , C (mm) 34”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Compatibility

Communication protocol
CAN

“Com. Protocol CAN”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Motor connector
M9.1 — nine pins

“Motor M9.1 Thick yellow Phase V Thick green Phase U Thick blue Phase W White Speed hall Red 5V Black GND Green Hall U Yellow Hall V Blue Hall W”

Source: bafang-e.com/uploaded/manual/BF-DM-C-CR C101-EN.pdf

How it talks to the battery
CAN, to the pack's BMS

“Battery communication 1 Yellow CAN L 2 Red 5V 3 Green CAN H 4 Null Plug”

Source: bafang-e.com/uploaded/manual/BF-DM-C-CR C101-EN.pdf

Which side of each join is male
The female connector of the communication cable from the battery BMS

“A. The female connector of the communication cable from the battery BMS a. The male connector of the communication cable from the controller B. The male connector (negative) from the battery b. The female connector (negative) from the controller C. The female connector (positive) from the battery c. The male connector (positive) from the controller”

Source: bafang-e.com/uploaded/manual/BF-DM-C-CR C101-EN.pdf

Certification claims

Certification claimed by the manufacturer
IP X6 / CE / UL2849

“Tests & Certifications IP X6 / CE / UL2849”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Models documented with this controller

No model has been matched to this controller yet in the records we hold. That is a statement about our research, not about which bikes use it — and controllers are the part manufacturers name least often.