Maybe use a battery pack from a wrecked Chevy Bolt? The 60kwh pack is arranged as a 3p96s. Part of the pack will give you 3s42P for 155V @ about 26kwh or you could double it up and get 52kwh The 26kWh pack would weigh about 400 lbs.
October 25, 2020 12:59 PM, "J Bills via EV" <[email protected]> wrote: > I'm researching this as well, and there are gaping holes in my salvage pack > research. > > Not wanting to hijack the thread, but along these lines (as an Electravan > owner myself...) has > anyone successfully found a good salvage option that can easily break down to > a 144v pack? (or in > my case, I can go up to 156v with my DCP Raptor) > > I know the 360v Leaf g1 pack can drop down cleanly to ~120v as Jay described. > I've seen people add > another 48v to a g1 Volt pack to get to a clean 144v at ~20kwh, but there's > the challenge of > finding and adding a new module that mixes well with a pack from another car > which seems less than > ideal. > > Do we former (or trying to be former) lead folks have any other options in > this range, so we don't > have to upgrade a bunch of other components? I don't know much about the > Fiat, BMW or Tesla packs > or any of the latest gen packs that are in the cars from the last couple of > years. At some point > I'll get more into the googling side of tracking down all of that info, but > it hasn't naturally > bubbled up in my travels. Surely there are people out there who came at it > from this same angle of > just trying to swap the batteries+bms from our previous system and that's it. > > I know the Volt packs are a bit more challenging to break down to the cell > level and you mostly > have to stick to the "module" level, which makes the Leaf such an attractive > option, since those > cells are a bit more atomic and reconfigurable at essentially 2 cells per > brick. I'd be curious - > aside from other needs like cooling and the like - if anyone has had success > at the 144v level or > knows what packs can most easily get us there. 🙂 > > ________________________________ > From: EV <[email protected]> on behalf of Jay Summet via EV > <[email protected]> > Sent: Friday, October 23, 2020 12:58 PM > To: [email protected] <[email protected]> > Cc: Jay Summet <[email protected]> > Subject: Re: [EVDL] Lead Acid Replacement > > I replaced my 20 6v lead acid golf cart batteries with a full Nissan > Leaf pack (48) modules (3 parallel, 16 sets of 3 in series) for a > nominal 128v pack (130 volts fully charged). > > The weight was much lighter, and the range was much better (and the > longevity is better as well!) > > You definitely do need a good BMS (the Mini-BMS I used works OK as an > alarm circuit, but doesn't balance well enough....). > > I recommend the ThunderStruck motors 2500 charger (with EVCC and j1772 > inlet if that is important to you) for a 2.5 kW charging solution that > is relatively inexpensive. > > Jay > > On 10/23/20 3:49 PM, John Lussmyer via EV wrote: > >> On Fri Oct 23 11:54:06 PDT 2020 [email protected] said: >>> Pack: 102V, 17 X 6V @ 125Ah, ~12KWh >>> Controller: 144V @ 500A Open Revolt >>> Motor: Series wound Ge 20Hp 90V >>> SOC: Proprietary original analog based on voltage >>> BMS: None. Balanced by overcharge >>> Charger: Original Leslie transformer based >> >> I'm using used Leaf modules in my Truck. >> Assuming 8.4v per module (fully charged), You could use up to 17 in series. >> (might want to drop >> back 1 or 2 to keep from getting too close to controller limit) >> New modules are 60AH, old used ones like mine are more like 40AH. So >> assuming old modules, to get a >> similar AH capacity, you'd need 3 in parallel. >> This would still likely give you more range than the Lead pack, as they >> would be lighter, and a >> somewhat higher voltage. >> >> -- >> >> Worlds only All Electric F-250 truck! >> http://john.casadelgato.com/Electric-Vehicles/1995-Ford-F-250 >> >> _______________________________________________ >> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >> ARCHIVE: http://www.evdl.org/archive/index.html >> INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org >> Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) > > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > ARCHIVE: http://www.evdl.org/archive/index.html > INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20201025/c7b950eb/attachment.html> > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > ARCHIVE: http://www.evdl.org/archive/index.html > INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/index.html INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
