Again, Tesla sells it for $100 over-the-counter, and it's a better battery IMO. Usually in-stock, just walk into a Tesla center and ask. (You can't call them)
On Tue, Jul 29, 2025 at 4:59 PM Cor van de Water via EV <[email protected]> wrote: > I saw that the same size battery with the terminals reversed was much > cheaper, so I ordered one and mounted it 180 deg rotated, so the terminals > are close to the original location, the negative wire reached easily while > I wanted to mount a wireless controlled relay on the positive terminal > anyway, because I noticed that my 2013 S never sleeps and can run down the > pack with up to 10 miles per day just sitting as there is no sleep > hardware. > Now I can push a button on a remote, which disconnects the 12V, the car > goes dead and when it sits a few weeks it still has the same charge instead > of showing 0 miles. > Cor. > > On Tue, Jul 29, 2025, 4:43 PM Jay Summet via EV <[email protected]> wrote: > > > Not sure it's the size, it may just be inflation and taxes, as I paid > > $263 for a "standard" sized battery for a Nissan Altima in the last > month. > > > > Jay > > > > On 7/29/25 19:35, Mark Hanson via EV wrote: > > > Thanks Phil etc. > > > > > > Apparently the non-standard size of these 12V lead batteries is very > > > expensive. Advance Auto just charged me $269 for each battery, 2020 > Bolt > > > (Delco 9943 or H4xEV) and 2021 Tesla-Y (B24XEV), almost $600 total with > > tax! > > > Amazon wasn't much better, about $220ea. > > > > > > Lead has doubled in price in the past few years, shipping costs too > > (since > > > lead is heavy and diesel is expensive). > > > > > > > > > Have a renewable energy day, > > > > > > Mark > > > > > > Mark E. Hanson > > > 184 Vista Lane > > > Fincastle, VA 24090 > > > 540-473-1248 phone & FAX, 540-816-0812 cell > > > REEVA: community service RE & EV project club > > > Website: www.REEVAdiy.org (See Project Gallery) > > > UL Certified PV Installer > > > My RE&EV Circuits: www.EVDL.org/lib/mh > > > REEVA Demo: http://youtu.be/4kqWn2H-rA0 > > > Fincastle Solar Weather Station > > > > > > > > > > > > > > > Date: Tue, 29 Jul 2025 10:50:08 -0700 > > > From: "(-Phil-)" <[email protected]> > > > To: Electric Vehicle Discussion List <[email protected]> > > > Subject: Re: [EVDL] Changing 12V Aux batteries in EVs intervals > > > Message-ID: > > > <CAHenfdp_A19ttosPkeQer2iFhB8EdZM45dzigez9KDZs6= > > [email protected]> > > > Content-Type: text/plain; charset="utf-8" > > > > > > 4 years is about the expected lifetime on average. The big problem > with > > EV > > > 12v batteries is unless they have a system to detect low capacity, one > > day > > > you are just stuck, and usually in a bad time/place in the middle of > > > bad weather. On ICE cars you get a warning when it starts to crank > > slow, > > > no such warning on an EV, so it's up to internal metrology, or it's > just > > > dead one morning. > > > > > > I'd say once it gets past the 4 year mark, it's worth replacing just > for > > > peace of mind unless you have a way to test it. (Such as what Teslas > do) > > > > > > On Tue, Jul 29, 2025 at 10:45?AM Jay Summet via EV <[email protected]> > > > wrote: > > > > > >> Our leaf is a daily driver in Florida so 80-90 degree weather in the > > >> summer. You can see a photo of the failed battery here: > > >> > > >> > > >> > https://www.summet.com/blog/2019/05/03/nissan-leaf-12-volt-accessory-b > > >> attery-replacement/ > > >> > > >> It had blue crystals forming around the top of one of the terminals, > > >> so was definitely outguessing / leaking under pressure. > > >> > > >> Jay > > >> > > >> On 7/29/25 13:27, Lee Hart via EV wrote: > > >>>> I would not be surprised if it is almost dead. 5 years appears to > > >>>> be about the standard runtime for most car accessory batteries. > > >>>> [I've had the one in my Leaf and a Nissan Altima both die around > > >>>> that timeframe..] > > >>> > > >>> > > >>> Interesting. Maybe it has something to do with the quality of the > > >> battery, the climate where you live, or how often you use the vehicle? > > >>> > > >>> Our 2013 Leaf and 2014 Prius Plug-in still have their original 12v > > >> batteries. The original 12v battery in our 2001 Prius didn't get > > >> replaced until 2012, and the replacement is still working. My 2010 > > >> Chevy Colorado pickup had the battery replaced in 2018, and is still > > >> running on the replacement. > > >>> > > >>> The Leaf is a daily driver. The two Prius aren't driven often, but > > >>> both > > >> have roughly 1 foot square PV panels to charge them so the battery > > >> doesn't go dead from sitting. Since the pickup is rarely driven, I > > >> have a Battery Tender on it to keep it charged. > > >>> > > > > > > _______________________________________________ > > > Address messages to [email protected] > > > No other addresses in TO and CC fields > > > HELP: http://www.evdl.org/help/ > > > > > > > _______________________________________________ > > 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/20250729/f180df62/attachment.htm > > > _______________________________________________ > 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... 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