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Nope. It is CAN bus, for data communication between all the Steps components.

Yes, Shitmano has released new batteries, but they are not compatible with older motors like E8000 or.EP8, only EP801 and EP600. Thread 'Shimano 2nd Generation Batteries' Shimano 2nd Generation Batteries

@fuikatasio thank you for the clear explanation, I knew it was too good to be true, now my hopes went down the drain (In spanish: Mi gozo en un pozo, ja ja.). Yes, I am interested in the subject and thanks to you I know how to do it. I have two batteries, a new 630W BT-E8016 and a 4,5 years old...

@fuikatasio in your very nice document you say that Shimano Battery uses Sony Murata Cells of 3500mA*h, but by checking the battery Part Number in attached picture, the cells are Sony Murata US18650NC1, and I searched for the specifications, and looks like these cells are 2900mA*h, not 3500mA*h...

Sometime ago I had a squeak when pedaling that I thought was caused by the E8000 motor, but it ended up being the rear wheel axle, it finally broke in a singletrack, so I knew for sure that it was the cause of the noise, and I was lucky and neither the bike nor myself suffered damages or broken...

@fuikatasio Thanks, you are right, 3,6V is the Nominal Voltage and 4,2V is the Maximum Voltage that drops quickly to 3,6V Actually I do not need to re-cell my batteries, one is at 88% and the other is at 100%. But I am planning in advance in case I have to re-cell the one that is at 88%. But...

@fuikatasio you said that you use the Samsung 18650-35E, 3500mA cells. Where do you buy them, and is there a way to verify that they are Samsung original? I am asking this because in China AliExpress it is possible to buy 18650-35E, 3500mA cells for 1,7€, but as there are many counterfait...

There are lots of complaints because of degradation of 504Wh batteries BT-E8010 and 8035.. But there are no complaints for 630Wh BT-E8016, is there somebody that can comment about his degradation, is it performing better?

fuikatasio, thank you, you have done an amazing job!! Shimano original batteries degrade very quickly, there are several reasons that could cause this, like: Bad quality cells. Full discharge of the batteries when shipping from Shimano factory to country distributors (To avoid safety hazards...

I hope so.

As I am also very interested in batteries, I followed your suggestion and I just opened the new thread for battery rebuild. https://www.emtbforums.com/threads/re-build-ande-re-cell-of-shimano-batteries.32031/

There is very interesting information regarding batteries in the thread for E8000 Motor Repair: https://www.emtbforums.com/threads/steps-e8000-motor-service.16542/post-444917 and forum member @fuikatasio has suggested not to mix topics and to open a new thread related only to batteries. I...

There is a spanish guy who has changed the cells in Shitmano batteries, the battery do not brick when opened, but it is not an easy task.

Has anybody downgraded from FW 4.9.4 to 4.8.0 using this procedure? Is there any issue?

They are of the roller type and there are two of them mounted inside the large gears. They are Shimano specific and not available to buy, if they break, then there is no replacement. One of them allows the cranks to turn backwards relative to the chainring, this clutch is inside the big black...

Recently Shimano has announced new 2nd Generation batteries for their EP801 motor, and it was raised the question whether they are compatible with older E8000 motor. So I searched the Shimano documents and these are my findings: This is the summary of the current line of batteries, including...

I have an external battery and I can see the battery LEDs and monitor the charge, but this thread is for the integrated battery, and in this case, I don't know how to monitor the charge. I am sorry for the confussion.

I believe he he asking how to do a partial charge up to to 60 or 80% and not a Full Charge (Battery degrades quickier). I am not aware of any method to do this, I do by periodically watching the battery and stopping the charge just when 5th LED starts blinking , which is at 80%

There are new Battery mounts for internal and integrated batteries, but it is still not known if older motors will be compatible with new battery + Mount BM-EN600 Mount for external battery BM-EN800-A and BM-EN800-B Mounts for integrated battery

This one? https://www.tradeinn.com/bikeinn/es/shimano-steps-e8000/137974564/p?utm_source=google_products&utm_medium=merchant&id_producte=12547858&country=es&gclid=CjwKCAiAs8acBhA1EiwAgRFdw6mbiepAYb-lQBdtmaaQ-238ZaSuNc_5kV_IzoYWCgNIks8T-g5ypRoCJ6oQAvD_BwE&gclsrc=aw.ds