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Author Topic: Battery Replacement Options  (Read 18432 times)

Specter

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Re: Battery Replacement Options
« Reply #15 on: December 14, 2024, 06:18:27 AM »

Many companies make high end Prismatic Cells which would fit right in.  I want to say SAFT is one of them but I don't remember for sure now.

Aaron
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T.S. Zarathustra

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Re: Battery Replacement Options
« Reply #16 on: December 18, 2024, 05:49:16 PM »

So after listing it for sale I ended up deciding to keep my bike. It's a 2015 SR.

The battery is still in great condition, but I'm starting to wonder what my options are going to be when it does end up degrading past its usefulness.

Has anyone replaced their monolith? Do we have any idea what a monolith + labor would cost, and if it's possible to buy the part and do the labor yourself?

And finally, my biggest question is about building my own pack, and more specifically how integrated it would have to be to the stock system. If I build a pack with its own BMS that safely matches the peak amps and voltage of the stock pack, could I just drop it in and it work?

Are there safeguards in the Zero MBB that would stop the bike from working if it isn't talking to the stock BMS? If it would just give me an error and let me ride that would be good enough for me, but my concern is that the bike won't move if it isn't talking to the BMS.

Any and all insight would be appreciated.

The more I look into it the better it seems to be to buy 112 new Farasis "unidirectional pouch" cells. Make new "minibricks" and seal with casting silicone. Assemble into a monolith. Reuse the BMS.
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MVetter

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Re: Battery Replacement Options
« Reply #17 on: December 18, 2024, 11:17:28 PM »

You see that Farasis P32 cell? That's what they used for the 14.4 packs in the gen 2 bikes. 32Ah cell soft capped to 28.5Ah.
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TheRan

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Re: Battery Replacement Options
« Reply #18 on: December 19, 2024, 03:08:16 AM »

Does that mean they do 58Ah in the same size? Different chemistry I'm guessing?
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giacomo

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T.S. Zarathustra

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Re: Battery Replacement Options
« Reply #20 on: December 19, 2024, 05:12:39 PM »

Take a look:

https://www.farasis-energy.com/app/uploads/2023/08/Farasis_Broschure-Produktubersicht_Web_Adresse_DE.pdf

Giacomo
Thanks. I hadn't seen this. So they have what looks like the module for the 14.4 monolith in their brochure. If private individuals can purchase that at reasonable price it would make battery rebuild (relatively) easy.

I also see in the spec that 10-80% charge is 30-35 minutes. Which is about 1,5 C charge rate.
« Last Edit: December 19, 2024, 05:21:00 PM by T.S. Zarathustra »
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