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Just to make sure: You need to change the cassette gear to a smaller cog to get support in walk mode. The motor turns really slow, and if You still are in the climbing gear (what happens most when You come to the need of walk mode) the rear wheel turns VERY slow. Feels like no support. Are You...

So this is the DIY 10S5P 18650 / 36V / 17.5 Ah / 630Wh battery You’re gonna use?

I‘m not the expert in this, but my understanding is that its beneficial (depending on the cell type) to have some parallel batteries to ensure You can draw enough amps from the pack. For example the Samsung 21700 50E is rated continuous discharge rate 10A. If You create a parallel pack 2P, You...

No FC1 has 14A firmware. You see it in the firmware name CRX10NC4813i142015… If there is a „13i“ or „14i“ after the …C48…

…and You run a 13A firmware, but there is 14A firmware available providing more max. power. Are You aware?

Thanks for Your kind support @Dado! I have a customer who wants to buy my M510FC1, but he needs 36V firmware. This is what all the trouble is coming from. Chili gives me great support, but Bafang is not really supportive. No solution yet.

This is really disappointing. Chili is not able to get the right firmware from Bafang…

This means, again the file is not compatible with my M510 FC1 Rev „I“ ?

So here’s the latest 36V firmware from Chili. @Dado: Could You please do me the favor to check if this suits my M510 FC1 Rev. „I“?

No way. I ride with my buddy’s using EP8 and Brose Mag S. There is no big difference between those big brands and Bosch in regards of efficiency. And my M510 FC1 was at least on same level.

Oh - 2.8 kg - that’s heavy for only 410 Wh. One more kg and you get 720 Wh…

Weight? Wh?

Thanks Dado. I have Version 2, Rev „i“. What a mess. So next attempt to Chili.

Next try. @Dado: could You please do me the favor to check if this firmware is capable for Rev „i“?

Thanks Dado, appreciate Your feedback. I contacted Chili and asked for a version for rev i. Let’s see…

So You think this doesn’t load to my FC1.0 Rev I? Any risk? Thanks!

Here You are..

Ouch…my new M510 with the firmware from @temon10: 14F802010.1 shows no power reduction above 10% SoC…

Does anybody has a good 36V firmware for the M510 FC1 Rev I available? Battery attenuation starting at 10% only, and min. 18A? Thanks in advance!

Hi Matthias, my M510 FC2 has run for 150km now and works flawless so far. But to be honest, I never had any major (no overheating/ no cutouts) issues with my M510 FC1, so no big difference. And yes, plug and play!