# Chevy Bolt conversion

**URL:** <https://community.electricforum.com/t/chevy-bolt-conversion/13524>\
**Category:** Battery & Chargers\
**Created:** [April 3, 2018, 12:16am UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524 "2018-04-03T00:16:56Z")\
**Posts on this page:** 20\
**Page:** 1

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**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\
**Post date:** [April 3, 2018, 12:16am UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/1 "2018-04-03T00:16:56Z")

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Hope to bring this into the open forum.  
A member is converting to Chevy Bolt batteries.  
So far Bolt batteries are rare, however they overcome some of the drawbacks of Volt for Gem.  
2 x 10s modules should fit easily. At 160ah will make an 80 mile Gem.  
4 modules Which may fit with some effort will easily break the 100 mile mark.  
Low mileage modules from test facilities should make a drop-in 80 mile pack.  
I have one coming to test.

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**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\
**Post date:** [April 4, 2018, 5:34pm UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/2 "2018-04-04T17:34:19Z")

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Battery is delivered next door.  
Not sure how to drag it home and in my garage. Might be too heavy for my el.

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**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\
**Post date:** [April 4, 2018, 10:20pm UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/3 "2018-04-04T22:20:24Z")

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![MVC-010F](https://canada1.discourse-cdn.com/flex030/uploads/electricforum/original/2X/e/e7ff0e0a623ca0c7ddffc71b721e86ccf6e712df.JPG) ![MVC-011F](https://canada1.discourse-cdn.com/flex030/uploads/electricforum/original/2X/8/8a8343d4c6122b883fae69973c3a903f5e64c23a.JPG) ![MVC-012F](https://canada1.discourse-cdn.com/flex030/uploads/electricforum/original/2X/4/468ec6c8cad489629f6a566d08f3725dcdefd4d2.JPG)

My 400 mile Gem.

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**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\
**Post date:** [April 5, 2018, 12:21am UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/4 "2018-04-05T00:21:14Z")

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A full 20s 72v module is:

38" x 14" x 5"

160ah

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**Author:** ![exseedman](https://avatars.discourse-cdn.com/v4/letter/e/94ad74/32.png) [@exseedman](https://community.electricforum.com/u/exseedman)\
**Post date:** [April 5, 2018, 3:21pm UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/6 "2018-04-05T15:21:04Z")

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How easy are they to break apart? Will they be easy to use with a BMS?

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**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\
**Post date:** [April 5, 2018, 4:24pm UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/7 "2018-04-05T16:24:49Z")

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Relatively easy. Lifting them was the hard part. I’ll use an engine puller or get help next time.  
My harness won’t fit. If they become common, I’ll find something.  
For now I’ll extend the factory wires.  
My plan is to put together a drop-in pack, wired to bms. It may get expensive with shipping and a days work already.  
Will not be able to sell for the Ebay price. Hope the added value will help them sell. Doesn’t matter. I’m more of a collector than a seller. ☹  
One of these is equal to three volts. 160ah

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**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\
**Post date:** [April 5, 2018, 4:26pm UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/8 "2018-04-05T16:26:05Z")

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> [@Jonathan\_Cushing](#):
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> (post withdrawn by author, will be automatically deleted in 24 hours unless flagged)

Did you get yours yet?  
I’m hoping you share you install progess.

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**Author:** ![Jonathan\_Cushing](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/jonathan_cushing/32/2083_2.png) [@Jonathan\_Cushing](https://community.electricforum.com/u/Jonathan_Cushing)\
**Post date:** [April 5, 2018, 5:03pm UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/9 "2018-04-05T17:03:40Z")

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I have not received them yet

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**Author:** ![Jonathan\_Cushing](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/jonathan_cushing/32/2083_2.png) [@Jonathan\_Cushing](https://community.electricforum.com/u/Jonathan_Cushing)\
**Post date:** [April 5, 2018, 5:33pm UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/10 "2018-04-05T17:33:09Z")

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Of course, I just have to keep reminding myself to take pictures.

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**Author:** ![Jonathan\_Cushing](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/jonathan_cushing/32/2083_2.png) [@Jonathan\_Cushing](https://community.electricforum.com/u/Jonathan_Cushing)\
**Post date:** [April 6, 2018, 3:04am UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/11 "2018-04-06T03:04:39Z")

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Received the batteries today. The courier unfortunately damaged the pins on the on board circuitry. I also received a charger and BMS. They are in fact fused. Inbetween cells @ 630 ma. You mentioned something about not being able to use c 10325 or BMS 24. Your feedback after looking at them?

 ![15229838993104186149393486918994](https://canada1.discourse-cdn.com/flex030/uploads/electricforum/original/2X/f/f36e221aab26efe228b91ea968529602001707ab.jpg)

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**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\
**Post date:** [April 6, 2018, 3:25am UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/12 "2018-04-06T03:25:40Z")

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I don’t see how fuses can survive the Chargery 1.2 amp balance current.  
680ma was from memory, the spark and other gen 2 may also be 630ma.  
I use a 24s Bluetooth bms with small balance current with gen 2.  
See what ,is it Jimmy?, says.  
We’ve been sharing some things.

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**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\
**Post date:** [April 6, 2018, 3:29am UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/13 "2018-04-06T03:29:35Z")

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Oh, by the way, did they come with bms to Bolt harness?  
Now that I have samples, I may build some.  
Can’t thank you enough for bringing them to my attention.😉  
These are the greatest modules ever. Extremely rare other than $21k new.

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**Author:** ![Jonathan\_Cushing](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/jonathan_cushing/32/2083_2.png) [@Jonathan\_Cushing](https://community.electricforum.com/u/Jonathan_Cushing)\
**Post date:** [April 6, 2018, 6:04am UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/14 "2018-04-06T06:04:10Z")

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I have the factory cable to bare wire. I’ll take pictures.

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<div class="post-metadata">

**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\
**Post date:** [April 6, 2018, 2:02pm UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/15 "2018-04-06T14:02:12Z")

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I haven’t got that far. No time for my own projects! 🙂

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**Author:** ![Jonathan\_Cushing](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/jonathan_cushing/32/2083_2.png) [@Jonathan\_Cushing](https://community.electricforum.com/u/Jonathan_Cushing)\
**Post date:** [April 6, 2018, 3:40pm UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/16 "2018-04-06T15:40:23Z")

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I hear that issue. Running a business, raising the kids and just life in general seems to do that. The battery swap helps with both business and getting kids to school. So… I am justifying it mentally.  
Since one of my on boards showed up with broken pins, I am wondering if it might be better to go direct to the tabs and bypass the on board circuitry?

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<div class="post-metadata">

**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\
**Post date:** [April 6, 2018, 4:13pm UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/17 "2018-04-06T16:13:07Z")

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Get a picture of how he handled splitting the pack. There is not enough hardware for keeping compression plates on both ends of 1/2 modules.  
It looks like I will need to fabricate a plate for one end.

![image](https://canada1.discourse-cdn.com/flex030/uploads/electricforum/original/2X/d/da047abe006df7f837464d36a7ab6dd8e11aba77.jpg)

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**Author:** ![Jonathan\_Cushing](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/jonathan_cushing/32/2083_2.png) [@Jonathan\_Cushing](https://community.electricforum.com/u/Jonathan_Cushing)\
**Post date:** [April 6, 2018, 6:57pm UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/18 "2018-04-06T18:57:53Z")

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![15230409760887675226283226630055](https://canada1.discourse-cdn.com/flex030/uploads/electricforum/original/2X/3/34dd7e6c4ce887ddf7cbfe3d25f28c39744ebbe7.jpg)

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<div class="post-metadata">

**Author:** ![Jonathan\_Cushing](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/jonathan_cushing/32/2083_2.png) [@Jonathan\_Cushing](https://community.electricforum.com/u/Jonathan_Cushing)\
**Post date:** [April 6, 2018, 7:12pm UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/19 "2018-04-06T19:12:11Z")

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I hooked up the c 10325 charger without any BMS and get nothing but a low voltage reading. It’s set for the proper cells and type. Not sure what I’m missing there. I’ll put the whole supplied BMS together. I venture I’m going to need your Q charger and a BMS set up. Should simplify things either way.  
Thoughts?

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<div class="post-metadata">

**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\
**Post date:** [April 6, 2018, 7:14pm UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/20 "2018-04-06T19:14:08Z")

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That looks good. He must have robbed them from another module. I have to make one more.

Don’t know what’s up with charger. Should work by itself.

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<div class="post-metadata">

**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\
**Post date:** [April 6, 2018, 8:47pm UTC](https://community.electricforum.com/t/chevy-bolt-conversion/13524/21 "2018-04-06T20:47:03Z")

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Got my end plate done! At least try #1.  
 ![image](https://canada1.discourse-cdn.com/flex030/uploads/electricforum/original/2X/6/6d40bda3b432c5bd5f7c6f8f960eaf0c328b73a8.jpg)  
MVC-013F|640x480

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