Bafang M500 - BESST and limits

[BootsDave]

Did a quick test of the 12A firmware today. It’s definitely not as powerful as 13A on some climbs that I do regularly. I’d say it has a bit more power near the 25km limit, but only on gentle climbs. I think it uses more battery, I did 13km with 250m of climb and it used 25% of the battery.
One other thing I’ve noticed, only the 13A will display speeds over 70km/hr. I have a steep hill nearby and I can just get above 70km/hr at the bottom!
I’ve just changed back to the 13A firmware!!!

 

[SchadowMaster]

But 13A Firmware still needs more human torque to provide more powerful than 12A especially on the other levels 1,2,3 and 4!
So the same problem still exists in my opinion.

 

[Kyokushin]

@SchadowMaster what is your opinion about comparison Level 5 only on 12 A to 13 A?

 

[SchadowMaster]

13A Level 5 is a little confusing!!
On my bike screen (Bafang DP-C18) I see that the power is up to 750 watts, but I don't feel the support is stronger than what I'm getting from the 12A firmware.

 

[SchadowMaster]

@Kyokushin
The solution is we need a 13A Firmware that gives full Power according to each level continuously with just a few cycles

 

[Laudix]

I think it is necessary to know the couple management parameters, @Kyokushin could you ask your contacts in bafang for this information?
Or if they can indicate to us how we can read them directly from the engine.

 

[Kyokushin]

I think it is necessary to know the couple management parameters, @Kyokushin could you ask your contacts in bafang for this information?
Or if they can indicate to us how we can read them directly from the engine.

I have asked and provided feedback and 13A with an ask for adjust but have still no answer.

 

[Laudix]

news from EuroBike...

 

[Laudix]

But how beautiful it is ...

 

[Seqlat]

news from EuroBike...
View attachment 70386

Bafang introduces new drive systems for e-city and e-MTB at Eurobike | Gear | BikeBiz
M500 v2 (M510 or M500 hardware v2)
18% lighter and 20% stronger

 

[Kyokushin]

Anyone have firmware from this M500 v2?
I am curious also what controller name is reported and firmware name.

 

[Seqlat]

Anyone have firmware from this M500 v2?
I am curious also what controller name is reported and firmware name.

I suspect that it will not come before 2022, but I would like to know because there are no other articles or reports about Bafang on Eurobike.
@Laudix @Rob Rides EMTB maybe you know more about this?
18% lighter and 20% stronger
0.6 kg lighter than the M500 and 1.17 kg lighter than the M600
When it comes to power, we will see because 95nm at 250w should do the trick, and we all know how power is in m500 ... Maybe + 20% power is with some firmware that is here on the forum compared to the first bafang firmware

 

[Laudix]

I suspect that it will not come before 2022, but I would like to know because there are no other articles or reports about Bafang on Eurobike.
@Laudix @Rob Rides EMTB maybe you know more about this?
18% lighter and 20% stronger
0.6 kg lighter than the M500 and 1.17 kg lighter than the M600
When it comes to power, we will see because 95nm at 250w should do the trick, and we all know how power is in m500 ... Maybe + 20% power is with some firmware that is here on the forum compared to the first bafang firmware

Compared to the last generation, the M510 provides:

• the maximum torque remains 95Nm
• weight is reduced by 18%
• the maximum power has increased by 20% (should correspond to about 14.5 Ampere for the 48v)
• Maximum cadence support is extended up to 120 rpm

Thanks to the intelligent control system, you are guaranteed:

• an engine smooth start
• a powerful acceleration
• a maximum continuous power of over 15 minutes for hard-core climbing.

Claudio Piovan, Admin of "Bafang Club Italia" (FB) is at the fair, we await new information and tests.

 

[Kyokushin]

• the maximum power has increased by 20% (should correspond to about 14.5 Ampere for the 48v)

The default amperage with M500 comes is 10A, so if we take it as reference it will be 12A rather than 14.5A.
I am very curious of firmware for M510 and controller differences.

 

[Laudix]

The default amperage with M500 comes is 10A, so if we take it as reference it will be 12A rather than 14.5A.
I am very curious of firmware for M510 and controller differences.

Sorry... correct

 

[Laudix]

Eurobike | Frankfurt

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Bafang E-Bike Drive Systems | Suzhou

Bafang E-Bike Drive Systems, Suzhou, Jiangsu. 91,650 likes · 457 talking about this · 82 were here. The official page for Bafang e-mobility components and complete systems. Engineered to make you...

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[E-erm]

Hello everyone, actually what is the last update controller firmware for M500? On my bike happens the assistance is too lower when battery is at 30%.
thank you

 

[Kyokushin]

Hello everyone, actually what is the last update controller firmware for M500? On my bike happens the assistance is too lower when battery is at 30%.
thank you

here is all you need with latest avaiable known publicly files

Bafang M500 - BESST and limits

same as mine, i had same firmware initially. Bafang support told me its different, but i have not verified that. If it is different, presumably smaller, could this make a difference to potential safe/non-damaging power output peak levels?

www.emtbforums.com

 

[Rob Rides EMTB]

I suspect that it will not come before 2022, but I would like to know because there are no other articles or reports about Bafang on Eurobike.
@Laudix @Rob Rides EMTB maybe you know more about this?
18% lighter and 20% stronger
0.6 kg lighter than the M500 and 1.17 kg lighter than the M600
When it comes to power, we will see because 95nm at 250w should do the trick, and we all know how power is in m500 ... Maybe + 20% power is with some firmware that is here on the forum compared to the first bafang firmware

My CHEEB V2 will have it - looking forward to trying it out. Maybe it’ll match, or be stronger than then Bosch Gen 4!

 

[E-erm]

here is all you need with latest avaiable known publicly files

Bafang M500 - BESST and limits

same as mine, i had same firmware initially. Bafang support told me its different, but i have not verified that. If it is different, presumably smaller, could this make a difference to potential safe/non-damaging power output peak levels?

www.emtbforums.com

thank you! this is the correct file for 48v?

 

[Kyokushin]

thank you! this is the correct file for 48v?

yes, it have optimised battery attenuation (whatever it means) but it may be what are you looking for. I have done on this firmware over 1000km and works like a charm (in comparison to stock i got with the bike).

 

[patdam]

"yes, it have optimised battery attenuation " it is not an official bafang upgrade ?

i have tried it (13A) last week. I find it a little more powerfull than 10A but not a lot, i feel the difference when i switch up mode (set in 3 mode). But it is not another world, lot of less funny than M600. That is disturb me is that i need to applied most physical effort than M600 for low (for not saied no) gain in consumtion ? in addition the "ERR21" reappair again when i use throttle to walk mode, while I hardly had it anymore with the M600. thank you Kyokushin for your work, but for me it is far than perfect motor, that could be the M600 with 1st mode +- = at the 1/3 of the M500

 

[Kyokushin]

"yes, it have optimised battery attenuation " it is not an official bafang upgrade ?

i have tried it (13A) last week. I find it a little more powerfull than 10A but not a lot, i feel the difference when i switch up mode (set in 3 mode). But it is not another world, lot of less funny than M600. That is disturb me is that i need to applied most physical effort than M600 for low (for not saied no) gain in consumtion ? in addition the "ERR21" reappair again when i use throttle to walk mode, while I hardly had it anymore with the M600. thank you Kyokushin for your work, but for me it is far than perfect motor, that could be the M600 with 1st mode +- = at the 1/3 of the M500

Its official i received from Bafang when i asked for better battery attenuation and peak power matching 36V firmware.
I had no errors during usage, throttle working also fine. Its surely weaker than M600 - around 30% when we relate it to peak power.
About the the physical effort - its set in different levels than M600, these engines are different so level 1 on M500 will be weaker than on M600.
I have also noticed if you want to all avaiable assist then you need to push pedal slightly stronger once. And then engine will give you all avaiable power and next pedal push on second leg could be much lighter if you keep the cadency.
Its like reduction of gear in automatic transmision - you need to learn and feel when algorithm in engine give max power then you will be able to trigger this on demand without effort.

Agree its not perfect, but much better than 10A stock and its best what we have so far.

The peak power for 48V:
M500 on stock 10A firmware - 546W
M500 on 13A Bafang firmware - 710W
M600 on 18A stock firmware - 982W
(calculated by full charge 54.6V * amperage)

 

[patdam]

"And then engine will give you all avaiable power and next pedal push on second leg could be much lighter if you keep the cadency. "
More or less something like that. For the same mode, the motor start differently (the powerfull increase more quickly sometime). constated but i have not identified the raison

 

[patdam]

About throttle, i think that the mistake is generated by the power increase, lot of longer on M500 than M600. That cause error when you use the throttle only on walk mode (+- 6 km/h max),

 

[Kyokushin]

About throttle, i think that the mistake is generated by the power increase, lot of longer on M500 than M600. That cause error when you use the throttle only on walk mode (+- 6 km/h max),

Hmm, could you tell more a bit of it? I am using the walk mode from this 3 button panel and pushing power button to activate walk mode.
Is throttle limited to 6km/h when you enter the 'walk icon' by - button on panel?

 

[patdam]

I don't use the walk mode push button, i use the throtlle to uphill beside the bike, i can adjust power (mecanically limited to 6 km/h max) follwing the necessity. It the mostly raison why i have replaced my canyon spectral on by the bafang, the walk mode on/off of the E8000 is unuseablel in moutain

 

[Kyokushin]

Hm, how you have it mechanically limited to 6km/h?

 

[patdam]

by positioning of throttle / brake fixation collar. I positioning it to throttle max range 6 km/h on the biggest rear pinion (throttle stroke limited by brake fixation collar) . i will post a pics after work

 

[SchadowMaster]

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?