home bbs files messages ]

Forums before death by AOL, social media and spammers... "We can't have nice things"

   rec.autos.tech      Technical aspects of automobiles, et. al      117,728 messages   

[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]

   Message 116,392 of 117,728   
   Michael Trew to Xeno   
   Re: Car battery testing over double 12 v   
   25 Dec 21 15:53:02   
   
   From: michael.trew@att.net   
      
   On 12/24/2021 22:33, Xeno wrote:   
   > On 25/12/21 2:25 pm, Michael Trew wrote:   
   >> On 12/24/2021 15:24, Scott Dorsey wrote:   
   >>> Michael Trew  wrote:   
   >>>> On 12/23/2021 21:07, Scott Dorsey wrote:   
   >>>>> Michael Trew   wrote:   
   >>>>>>   
   >>>>>> Finally, I pulled it this evening and threw another tested good   
   >>>>>> (checked   
   >>>>>> 12.7 v) battery in the car.  I am about to go drive to my evening   
   >>>>>> shift   
   >>>>>> at work.  I decided to test the old battery with the same voltage   
   >>>>>> tester, and it tested at 27 V!!  I can't find any info on a web   
   >>>>>> search   
   >>>>>> about this issue.   
   >>>>>   
   >>>>> Was it a Fluke?   
   >>>>>   
   >>>>> What did it test as with a small load?   
   >>>>   
   >>>>   
   >>>> I jumped the gun.  The voltage meter was on the wrong setting.  I   
   >>>> didn't   
   >>>> think that the meter was on the wrong setting, because the newer   
   >>>> battery   
   >>>> that I pulled out of another car happened to test at exactly 12.7 V on   
   >>>> that same wrong setting.  What a coincidence.   
   >>>   
   >>> Because you had it on the AC setting and it wasn't a Fluke?   
   >>> --scott   
   >>   
   >> Yes.  I believe it was set to "200" A/C instead of "20" D/C.   
   >>   
   >> Surprisingly, I was able to use a huge old heavy duty battery charger   
   >> to bring the 2.4 volt battery (the new one) back to life.  Hopefully I   
   >> didn't damage it too much by letting it drain down that far.   
   >   
   > Slow charge it.   
      
   I had it on a 1 amp trickle charger all night, it didn't do a thing   
   after 12 hours.  I put it on full-blast on my old Silver Beauty charger,   
   10 minutes cranked the car over, and drove around town.  Hopefully that   
   didn't damage it too much.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]


(c) 1994,  bbs@darkrealms.ca