Bafang M500 - BESST and limits

Laudix

Member
May 15, 2021
28
9
Paderno Dugnano (Italy)
Question about battery connections!!
The ebike has a Bafag M300 Mid-motor.
I want to change my battery to another one that has more capacity. But the batteries that i found in the market have only two cabels (red and black) to connect the power. While my old battery has 4 extra cables in the middle (see photo).
Are they to turn on/off the back and front lights?
Hello.
I think it is the connection cables to the motor controller, through these the controller checks the state of the battery; I think you have to get a compatible battery, alternatively you could recell (sorry for my english) the battery by replacing the cells with more powerful cells.

Salvatore
 

SchadowMaster

Member
Aug 12, 2021
157
71
Germany
@Laudix Thanks for answering
I found batteries that also have 6 Pins but I don't know how they will be connected.
(I mean the four wires in the middle)
Screenshot_20211027-164626_Amazon Shopping.jpg
 
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Sandur-Rx

Member
Sep 11, 2021
55
20
Holland
No need for the other wires. Just for a more accurate battery status and range on display. Without the connection the bike stil functions fine. Range on display may be a little less reliable as before.
 

Laudix

Member
May 15, 2021
28
9
Paderno Dugnano (Italy)
Sorry ... some things are not clear to me:
- what are the changes to be made?
- Which FW should be installed, that of the M500 or that of the M600?
- What are the benefits of this update?
 

c_pardo13

Member
Nov 8, 2021
11
7
Andorra
The changes to be made are interchange two cables in the connection to the motor.
The firmware to be installed are the M600 with your voltage. (I can do this with the BESST Tool).
The benefits are having more power (around 900W)

Or someone know where to buy the M500 controller at a good price?
Thanks

127820777-4a2f010e-7714-4727-adc6-1717fea67c0a.jpg
 
Last edited:
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Dado

Active member
Jun 28, 2022
692
463
Bratislava
Hello ebikers.

K1 eBikes has designed small, portable and simple K1 CAN Monitor & Speed Unlocker - no need computer or mess with BESST. Works ONLY with Bafang motors with CAN bus (green connector to display with "house" shape 5 pin connector).

For more info check the following link:
https://endless-sphere.com/forums/viewtopic.php?f=31...

How to unlock speed:
https://youtu.be/6z3TzEqNWsQ

If you interested, send an email to [email protected], will answer any questions and will send user manual.
K1 CAN Monitor is determined for testing purpose only and is not waterproof.

CANMon2.JPG
 

DaveT69

New Member
Mar 14, 2023
1
0
Netherlands
Here are attached files:

Here is manual for configuration:
and here latest script:
Hi I am looking for the manual how to setup the BESST login hack. The download link you provided does not exist anymore. Do you now another link where to get it?
 

Geoff12a

Member
Jan 27, 2021
59
26
Reading
Here are attached files:

Here is manual for configuration:
and here latest script:
Happy do you have the another link as this one doesn't work thanks
 

Dado

Active member
Jun 28, 2022
692
463
Bratislava
Hello guys.

Here you can easily set speed limits and parameters of your Bafang CAN controller (all possible parameters supported only by latest M510 FC2.0)

Just cable in front of display and press magic combination on your display/buttons. Then you can unplug device.

Here is a link with more info, pictures, videos, tips and order form:


Colored BB3 2.jpg K1 BB3 ebay.jpg
 

ficorama

Active member
Oct 9, 2021
377
303
Croatia
if anyone needs it, I have the Besst tool for sale. message agreement. I send within Europe

I also have an m500 engine, used for a short time.
 

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