9 comments.

  1. LastSelection5580

    Apparently in the service menu, there’s a battery check test

    1. [deleted]

      Will check this. Thanks

      1. gilbertesc

        The test takes 8hrs+ while it’s charging by the way

        Just switch from percent to miles for an estimate, should be 8-12%

  2. [deleted]

    Recently bought used from non-Tesla car dealer, and just clicked the battery % to flip over to miles, and then took whatever % it was at /100 to figure out what the proportional mileage would be when at 100%. Not sure if that makes sense or is even 100% accurate - but found it to be a pretty accurate way to gauge 100% capacity now that I'm the owner sitting in that used car I was looking at. Was pretty spot on.

    1. [deleted]

      Cool, I wasn't sure if it was this simple, but that could be the best way to go. So basically just tapping the battery icon to show estimated mileage. Then checking that when the car is fully charged?

      1. [deleted]

        Yeah - or to avoid having to charge to 100%, just check the estimated mileage when at 50% then *2.

        For instance, mine (2021 Model Y Long Range) is currently sitting at 48%, & when I tap the % it flips to show 151 mi of range. So thankfully still over 300mi of range if at 100% - which was my main concern when buying. Was hoping it hadn't dipped below 300 over 3 years and thankfully it has not!

        1. [deleted]

          Nice, I'll give this a shot. Thanks!

      2. mehalywally

        You don't have to charge it to 100 to find out. Just calculate it from the SoC vs estimated mileage. If it's 170 mi at 60% SoC, 170/.6 is 283mi.

  3. [deleted]

    Quick napkin math will give you a rough estimate.

    Current Charge Miles / percentage in decimal = estimated full charge in miles

    Estimated full charge miles / brand new full charge miles = percentage of battery capacity as a percentage of when new.

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