Take a look at https://batteryhookup.com/ They have a constantly changing selection of surplus, factory 2nds and "where did they find those" batteries.
On Tue, Dec 8, 2020 at 3:09 AM Rod Hower via EV <[email protected]> wrote: > I bought these on Amazon last year, but they are now sold on Ebay, > https://www.ebay.com/itm/5000mAh-Li-ion-26650-Rechargeable-Battery-High-Drain-w-Charger-for-Flashlight/303600483209?hash=item46afffbb89:g:oUAAAOSwGypftkrD > > Every battery I tested was over the 5000mAhr rating using this, > https://www.amazon.com/Universal-Analyzer-Rechargeable-Batteries-BT-C3400/dp/B07T941JCF/ref=sr_1_4?dchild=1&keywords=BT-C3400+Universal+Battery+Charger+Analyzer+Tester+for+Li-ion&qid=1607368205&sr=8-4 > > Most of the 18650 batteries I tested with the same analyzer were far below > their rated Ahr (except for Panasonic). > On Monday, December 7, 2020, 02:47:18 AM EST, EVDL Administrator via > EV <[email protected]> wrote: > > I'm far from an expert on this, so I invite corrections to the following. > > First, on DIYing lithium batteries. I don't. I don't have the equipment, > or the skills, or the steady hands and good eyes that it takes. And there > is a LOT of power in those little cells. Maybe you'd be fine with it, > I'm > just saying - think about it. > > In the few cases when I've used lithium batteries, I've bought them fully > assembled and tested. Yep, it's expensive for good ones, but so is the > deductible on my homeowner's insurance. > > As for buying lithium batteries on Ebay, I'd suggest being really > careful. > I've read that a significant number of the cheap ones are made with > recycled > cells from old laptop batteries. > > I've had good luck with Ping batteries, ordered directly from China at eye- > popping shipping costs, though not so much with their cheapo chargers. > But > they're not high power batteries, so they might not work for your friend. > > You might try cruising the ebike forums at endless-sphere.com. I haven't > been there in several years, but last time I was, they were well populated > by need-for-speed people with glowing eyes like your neighbor has. :-) > > In any case, best of luck with the project. > > David Roden, EVDL moderator & general lackey > > To reach me, don't reply to this message; I won't get it. Use my > offlist address here : http://evdl.org/help/index.html#supt > > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > Human history more and more becomes a race between education > and catastrophe. > > -- H G Wells > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > > _______________________________________________ > 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/20201207/9da6ea7b/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) > > -- *Michael Shipway * [email protected] (301) 237-5563 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20201208/19f37de9/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)
