I am now the new owner of a totaled Nissan leaf purchased at a salvage yard.
I'd like to hear any first hand accounts or links to
tutorials/howto's/photos of anybody who has done this before.
The plan is to drop and disassemble the battery pack, and re-package the
modules into sixteen set of 3 modules in parallel. (16S3P) This will
replace my 20 X 6v golf cart batteries (120 volt) lead acid battery pack
in a few months.
I am seeing advice on:
1) How to drop the battery pack safely. I don't have a lift, but do
have a large concrete pad. My current plan involves multiple floor jacks
under the battery pack. I know about the battery disconnect on the back
passenger floor, but was wondering if there was a suggested side of the
pack to drop first, how it disconnects, anything special to watch out
for, etc..
2) Specialized tools needed. Any tricky bolts/screws I'll need to
purchase special tools for?
3) Advice on pack disassembly.
4) Does anybody sell bus-bars that would be appropriate for a 3-5 cell
parallel pack? If I make them myself, any suggestions for material type,
size/width? The plan is to connect each "pack" of 3 cells in series
using my existing lead acid connection cables. (basically, replacing 20
6 volt batteries with 16 7-8 volt batteries...)
As one Leaf has 48 cells, I'm using 3 cell packs for now, but am
considering leaving room to expand each pack into 4 or 5 cells
later...(extra holes on one/both ends of the bus-bars that stick out a
bit...)
5) I'm leaning strongly towards the MiniBMS boards for leaf cells, one
per parallel pack of 3 cells, comments one way or the other?
6) I'm willing to pay $200-$300 for some type of automated battery
charger/discharger with logging suitable for using on an individual 2S
Nissan leaf module. (To test and possibly bin the modules). Anybody know
of an RC type charger/tester that supports the 4.2v cells and can handle
60+Ah discharge? (speed isn't terribly important...)
Thanks,
Jay
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