06-17-2021, 11:18 AM | #11 |
Not Yet Wild
Join Date: Jun 2021
Location: Huntington Beach, CA
Posts: 3
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Re: Lithium Pack Build Questions
Awesome! You and I are building the EXACT same battery bank. I'm putting my cells in an 07 TXT. How is this going so far? I came across your thread looking for the same BMS question you had. I was gonna do 48v because I have a controller that can do it but I just figured I would stay at 36v for the first year just to see if It was enough. Carts pretty fast as is. I wonder if we can sell our Lead Acids for what we paid on these EVE cells? lol.
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06-17-2021, 11:50 AM | #12 |
Not Yet Wild
Join Date: Jun 2021
Location: Huntington Beach, CA
Posts: 3
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Re: Lithium Pack Build Questions
What charger are you using?
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06-17-2021, 01:14 PM | #13 | |
Not Yet Wild
Join Date: Jan 2021
Posts: 12
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Re: Lithium Pack Build Questions
Quote:
Also including a pic with the disclaimer I'm not finished yet. It still look ugly lol. |
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06-17-2021, 03:11 PM | #14 |
Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,205
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Re: Lithium Pack Build Questions
Body color appears to be nice. Blue.....very blue!!
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06-17-2021, 05:08 PM | #15 |
Not Yet Wild
Join Date: Jan 2021
Posts: 12
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Re: Lithium Pack Build Questions
Metallic Blue, it was a pain to paint but it's what the wife wanted.
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06-18-2021, 06:41 AM | #16 |
Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,205
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Re: Lithium Pack Build Questions
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06-22-2021, 08:29 PM | #17 | |
Gone Wild
Join Date: Jan 2013
Location: Saint Petersburg, FL
Posts: 2,089
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Re: Lithium Pack Build Questions
Nice looking cart!
Quote:
They make several lithium smart chargers with this cool little feature. According to their website they make a "36v (10S) charger max voltage is 42v, the 48V (13S) charger's max voltage is 54.6V, the 52V (14S) model of chargers max voltage is 58.8V. the 72V (20S) chargers max voltage is 84.0V" Here is the link to their 36v (max 42v) charger. Remember to make sure your charger cutoff AND your BMS cutoff are both within the safe range of your batteries. Redundancy is good. https://lunacycle.com/luna-charger-3...ebike-charger/ |
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06-22-2021, 08:48 PM | #18 |
Gone Wild
Join Date: May 2012
Location: Rio Verde, Az
Posts: 7,125
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Re: Lithium Pack Build Questions
I have that Luna Cycle charger for my Ebike. One thing to note on the 90% and 80% - it just terminates the charge at a lower voltage - it does not adjust the actual constant voltage value so it terminates the charge rather than tapering it down like it should be done. It would have been a better design if they changed the applied constant voltage - which is what I could do with my charger I use on my cart.
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06-24-2021, 09:09 AM | #19 |
Not Yet Wild
Join Date: Jan 2021
Posts: 12
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Re: Lithium Pack Build Questions
Thanks for the info on the Luna charger, I might go that route. Anyone have ideas for a battery case? Dimensions are 17.5" L x 5-6" W. I forgot to measure height but I'm guessing 8"?
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06-24-2021, 03:03 PM | #20 |
Gone Wild
Join Date: Jan 2013
Location: Saint Petersburg, FL
Posts: 2,089
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Re: Lithium Pack Build Questions
The Luna charger is slow, so know that going in. I bought a second charger but it terminates at 58.8V. They almost always have a pot in there to adjust term voltage so I need to go into the charger and search for that before I use it. But the Luna is mounted under the seat of my cart so it's just too easy.
For a cover I took some black plastic sheet and heated it with a heat gun. It is the same plastic sheet I use to make a water cover for my chargers so if water runs in beside the seat it doesn't drop on them. |
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