06-07-2023, 04:03 AM | #11 |
Gone Wild
Join Date: Dec 2020
Location: Melbourne, Australia
Posts: 1,919
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Re: Need alternative to Zeva BMS
Original plan was to have the battery pack as one unit but I couldn’t make it fit. I then split it into 12+9 modules. I don’t have an electrical diagram as I do these things in my head. Excuse the wiring, photos were mid build. There’s also a photo of the final installation showing a 2500w power inverter installed.
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06-07-2023, 05:46 AM | #12 |
Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,205
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Re: Need alternative to Zeva BMS
Nice work! Were you educated as an engineer…..or like me, read a lot of post on this forum..??
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06-07-2023, 08:29 AM | #13 |
Gone Wild
Join Date: Dec 2020
Location: Melbourne, Australia
Posts: 1,919
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Re: Need alternative to Zeva BMS
Well I was enrolled in an Engineering course at university but I spent most of my time playing pool with my uni mates. Best 4 years of my life.
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06-13-2023, 03:01 PM | #14 |
Getting Wild
Join Date: Jan 2021
Posts: 75
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Re: Need alternative to Zeva BMS
So here is my set up now and I've mapped it all out and I'll be doing a 6cell-9cell-6cell then reusing the Zeva. Thanks for photos and tips. 7 additional batteries are ordered and will be here Thursday. Also I added a pic of my cart just to show it off a little bit.
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06-13-2023, 05:13 PM | #15 |
Gone Wild
Join Date: Dec 2020
Location: Melbourne, Australia
Posts: 1,919
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Re: Need alternative to Zeva BMS
When adding the new modules, add one to each of the 7 groups you have now. Do not create new groups using just the new modules. The new modules you’re purchasing will surely have a different capacity compared to the ones you have now, and adding one to each group will help keep the groups equal in capacity and make balancing easier.
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06-13-2023, 06:23 PM | #16 |
Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,205
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Re: Need alternative to Zeva BMS
Nice ride!!!
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06-14-2023, 09:24 AM | #17 | |
Getting Wild
Join Date: Jan 2021
Posts: 75
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Re: Need alternative to Zeva BMS
Quote:
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