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elonmusk's profile
Elon Musk
Elon Musk
Elon Musk
Verified account
@elonmusk

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Elon MuskVerified account

@elonmusk

Technoking of Tesla

Joined June 2009

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    1. It’s Kim Java‏ @ItsKimJava 30 Nov 2018

      @elonmusk any insight on the best nightly SoC for battery longevity? 90%, 70%, 50%? Any software fix for unbalanced cells due to sub 90% nightly charges?

      14 replies 24 retweets 279 likes
    2. Elon Musk‏Verified account @elonmusk 30 Nov 2018
      Replying to @ItsKimJava

      Not worth going below 80% imo. Even 90% is still fine. Also, no issue going to 5% or lower SoC.

      63 replies 91 retweets 1,191 likes
    3. Philippe Fierens‏ @pfierens 1 Dec 2018
      Replying to @elonmusk

      Professor Jeff dahn said 70% was besthttps://teslamotorsclub.com/tmc/threads/jeff-dahns-recommendation-on-long-term-battery-preservation.97134/ …

      1 reply 3 retweets 68 likes
      Elon Musk‏Verified account @elonmusk 1 Dec 2018
      Replying to @pfierens

      Prof Dahn is correct (he’s great), but the relative benefit is small. I’d recommend 10% more SoC for convenience.

      9:43 AM - 1 Dec 2018
      • 28 Retweets
      • 591 Likes
      • Tyler Garland Martin Björemo Fabian Mast Gary Kubiak Franck Wes Hablett Darren Schoonbaert Tesla Is Super Awesome William Germscheid
      9 replies 28 retweets 591 likes
        1. Philippe Fierens‏ @pfierens 1 Dec 2018
          Replying to @elonmusk

          That’s indeed what I do :-) 80% and when necessary 90 or 100. Thank you for your effort in making this planet a better place and leading the path to industry dinosaurs

          1 reply 0 retweets 25 likes
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        1. It’s Kim Java‏ @ItsKimJava 1 Dec 2018
          Replying to @elonmusk @pfierens

          We’ve been told pack would be out of balance if we regularly kept charging to 70%. Any BMS software fix for this? Thank you!!!

          6 replies 3 retweets 69 likes
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        1. Jessie Janson‏ @JessieJansons 1 Dec 2018
          Replying to @elonmusk @pfierens

          Does this apply to cell phone batteries or just tesla batteries?

          1 reply 0 retweets 2 likes
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        1. Vladimir Grinshpun‏ @VGrinshpun 1 Dec 2018
          Replying to @elonmusk @pfierens

          I felt that charging to <90% doesn’t substantially ↗️ battery longevity. Charging to 90% provides piece of mind about having ample reserve. That was in 2013, 102k miles ago. Typ. daily use is 90 to 65-70%. My current 100% charge is 251 miles vs. EPA rating of 265 miles when new.

          0 replies 2 retweets 24 likes
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        1. Nick Z‏ @TLI56 1 Dec 2018
          Replying to @elonmusk @pfierens

          So does that mean 80% is the new standard daily charge? Also once a month charge to 100% and drain down to ~10%? Thanks

          0 replies 0 retweets 0 likes
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        1. Mtb109‏ @mtb109 2 Dec 2018
          Replying to @elonmusk @pfierens

          @FredericLambert Could you post an article digging and expanding a little more on this topic?

          0 replies 0 retweets 0 likes
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        1. Jay Lee‏ @itsjaylee 3 Dec 2018
          Replying to @elonmusk @pfierens

          @eugenelee3 70% we go!

          0 replies 0 retweets 0 likes
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