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Old 01-14-2020, 12:09 PM   #1
swb713
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Question ZEVA or Chargery ??? For a 14cell LEAF Pack

I am in the process of getting my list of materials together before ordering my parts.
Currently what I have is a 2007 Columbia ParCar Eagle that I have swapped over to an Alltrax XCT 48500IQ, re-wired to be like a ClubCar IQ. This cart has a D&D motor with Peak HP of 16.8, with 20" tires.

I am going to order my LEAF pack through Brad2388. He has cells tested with at least 90% capacity.

Looking into the BMS at the moment. Trying to decide between the Zeva 8-16 Cell BMS and the Chargery BMS16T.

Any thoughts from our Great Members on here would be greatly appreciated.
Which do you think is the better system and your thoughts of why?

Thanks in advance.
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Old 01-14-2020, 12:42 PM   #2
DaveTM
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Default Re: ZEVA or Chargery ??? For a 14cell LEAF Pack

I have the ZEVA which has been in use on my hunting cart since November of 2018. My cart takes a lot of punishment in the form of bumps and vibration. I'm out when it's 80 degrees, or 15 degrees in the rain and the snow.

My only issue was this year water managed to get to the monitor connection and cause the monitor to "white out." After drying out the monitor worked (and still is working) fine. I have since waterproofed the connection. The odd part was I've had it out in the rain many times before, but that time apparently it was the tilt that I had the cart on which cause water to run into it.

I like the ZEVA because in addition to "pack voltage" monitoring it also has individual cell monitoring and it shunt balances the individual cells. So, if one cell goes higher the ZEVA drains power from that cell to balance with the others. Same if the cell is low. It will draw from the high cells to balance.

Using a switch to put the BMS into "sleep" mode is (I think) a must as when it's not in sleep mode it will draw power from the pack.

The install is somewhat tedious, but not exceptionally difficult . This from a non-engineer that I am.

I had a ton of help from members who actually understand what this BMS does and they gave me a good education on stuff that I never knew about. OTOH....as my Son the engineer says......"Dad...you know enough to be dangerous." :)

I hope this helps.
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Old 01-14-2020, 01:30 PM   #3
swb713
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Default Re: ZEVA or Chargery ??? For a 14cell LEAF Pack

Thanks Dave .... I have visited your build thread. Nice job. Looks good and clean.
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Old 01-15-2020, 07:49 AM   #4
BBBHC
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Default Re: ZEVA or Chargery ??? For a 14cell LEAF Pack

I chose the Zeva over the Chargery for 3 reasons:
1. Chargery did not have their 16T BMS available at the time
2. It seemed to me that the Zeva BMS is more compact. Especially the monitor
3. Much more information on this forum available from other members. For an electrically challenged individual such as me, this was very helpful!
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