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I misunderstood, so you want 13A on 13S firmware ? If we give you such a version (13A 14S ?), will you be the first to test it and take a risk?

https://endless-sphere.com/sphere/threads/fake-taxi-project-the-modified-original-firmware-for-bafang-m820-motor.129580/page-2 All of them are using 36V firmware base (2.5/3.3). When we will heve assist ratio then we will probably drop version 3.3 I am sure that soon these speculations will no...

I do not see Bafang to brag anyware about it. So is this upgrade made by szzsbike ?

Yes, there is a plan to battery parameters to be configurable over cannable tool.

M820 is much more in need of custom firmware then m510/m560 so focus is on M820. Also as i sad, i'm not the author so it's not really up to me.

For now plan is only for M820.

Well it's not my job. I was only consulting, testing and added some features to cannable. It's not from scratch. It's reverse engineering of original firmware based on version 2.5 and 3.3.

First custom firmware for M820 is here. For now for 11S battery. The changes introduced in brief: - fixed battery SOC and cutoff - fixed walk assist with a lot of more power - modified SPD Table for more torque sensor range More details on Endless topic...

No hardware difrences there. None of them. Canable now can do all of this and it's dirt cheap.

Tools under the hood using the same methods of communication over CAN. Are u 100% sure that u feel a difference ? Because u are the only one who's claiming there is one. Also i'm in contact with guys who's is process of reverse engineering the firmware and they checked code of your firmware...

Yes it works from base 750mV up to 3200mV

Yes, just tested, feel the same. It goes full power on low torque.

Yes values are saved and controler remember them after on/off.

35kph max speed, tested both with low cadence on flats roads and high cadence with steep climb

Yes I tried. I do not feel any effect. Even with very stupid values like 10% max current every where. Same as other 36V firmwares.

I tested this 36V 10.1 firmware today, it's to sensitive for me, very similar to 3.3/3.2. Whats interesting about it, that it have diffrent default spd table setup: I'm sharing the file if someone wants to try it.

I fixed the Canable Pro tool to be compatible with M820: https://github.com/mdi-9/bafang_canable_pro

Can you share information of witch exactly firmware version of 48v are You using ? Also some screen from spd table ?

I compared spd table in two firmwares 36V2.5 and 36V3.2. I ride both of them and know that 3.2 is more sensitive torque which spd table should show. But spd table is the same for both: "torque_profiles": [ { "start_torque_value": 20, "max_torque_value": 40...

Can You share this firmware ?