It just seems like all this effort for these old NiCds is silly when LFP prices, even with the current added tariffs, are so low. Also, you won't have to keep screwing with them in the future, as you probably can keep the LFP pack for the rest of your life if you treat it well!
On Wed, May 14, 2025 at 7:51 PM John Lussmyer via EV <[email protected]> wrote: > So, I currently have 30 cells that I've charged, watered, discharged to > 0v, and am now trying to charge again. > > I've sorted through the remaining cells, and there are: > 10 that LOOK ok. > 80 that have swelled noticeably. > 40 that have visible melting on the posts, or actual holes in the cases. > > I'm probably going to need a 2nd pack of 30 cells to get enough power > for the Taylor-Dunn cart. > I'm hoping that some of the ones that are only swelled a little will work. > > I'll need to discharge whichever ones I try next to 0v, then charge them > so I can adjust water levels. > I'll be doing more than 30, so I can hope for enough to make a pack of 30. > Might want to do all of them, just so I can sort out the useable ones. > > I've realized that I COULD charge them all in parallel, as I happen to > have a variable power supply that does 0-4v at up to 200A. > OR I can hook as many in series as I want, and use my PFC-50 to charge > them. > > > _______________________________________________ > Address messages to [email protected] > No other addresses in TO and CC fields > HELP: http://www.evdl.org/help/ > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20250515/243cdad1/attachment.htm> _______________________________________________ Address messages to [email protected] No other addresses in TO and CC fields HELP: http://www.evdl.org/help/
