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12v battery replacement

  1. ATPMSD

    12V Backup Battery

    Here is one for the 12V battery gurus out there. What if a lead is run from the battery to the frunk storage area, like for those who connect a battery tender for long term storage. But in this case in the event of a 12V battery problem, could we connect a second 12V battery to the lead and...
  2. IchDochNicht

    12v Battery Options - Which is best?

    I am getting the 12v Battery needs service message, and am weighing my options. Which of the following have you tried and would recommend as a better option than just letting a Tesla ranger replace it: 1. Gruber Tesla Model S Battery ($138.50 plus $30-80 for shipping) 2. Ohmmu Lithium Battery...
  3. rooter

    12v Battery - Using LiFePO4

    My choice for battery three years ago was the Bioenno BLF-1250AS, LiFePO4 (Lithium-Iron). Yeah expensive, but: - Inherent thermal and chemical stablility, so no runaway like LiIon - 50AH vs C&D's 30AH (yeah it's an inch deeper - had to make a new strap) - Provides 2500 - 7000 cycles & a 10 year...
  4. T

    12V Battery condition?

    I had a long trip away from home and left my 2014 Model S 85 hooked up to my charger for 10 weeks while away. I set the charging capacity to 50% to keep the main battery healthy. I also hooked up a battery conditioner to the 12V battery to avoid it being drained. On my return yesterday, the...
  5. volkerbradley

    12V battery warning and software update

    One month ago a message appeared in my Model X that stated: 12V Battery Needs Service. Replace 12V battery soon. New England Tesla Mobile Service notified me that these 12V batteries are on back order. Tesla Service in Dedham, MA informed me that they do not have these batteries either. Does...
  6. L

    12v battery died 250 miles from SC making me pay for 150 mile towing

    Today my beloved 2014 Tesla P85 with 13,800 miles on it stranded me at the Savannah airport SC station. Fortunately I was there near rental cars and not on the vastly empty I 16 headed to Atlanta. The roadside assistant was very helpful and got a tow truck there quickly but Tesla's policy is to...
  7. Electricfan

    Tesla great service changing? Have to take car in for warranty fix.... no valet...

    Hi, I'm just wondering if others have been told their Tesla service center is "low on manpower" and so they must bring their car in to have warranty work done and wait for it? This reminds me of my Chevy dealer - and I'm not too happy. I got home this weekend after being out of town for 3...

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