TMC is an independent, primarily volunteer organization that relies on ad revenue to cover its operating costs. Please consider whitelisting TMC on your ad blocker and becoming a Supporting Member. For more info: Support TMC

Will a software-limited 70kWh battery enjoy less degradation than a 75kWh battery?

Discussion in 'Model S: Battery & Charging' started by syswei, Aug 5, 2016.

  1. syswei

    syswei Member

    Joined:
    Apr 26, 2016
    Messages:
    115
    Location:
    CT/NYC
    ...If charged to the same percentage, say 90%, each time?

    Put another way....As far as battery health, is charging a 70kWh battery to 90% effectively the same as charging a 75kWh to 84%?
     
  2. Saghost

    Saghost Well-Known Member

    Joined:
    Oct 9, 2013
    Messages:
    5,357
    Location:
    Delaware
    In theory, yes. In practice, I believe the difference is so small that it will be lost in the noise, statistically - overwhelmed by the details of operating temperatures and cycles and aging.

    Tesla's guidance has been that charging to a level below 90% vs charging to 90% won't make a measurable difference for degradation.

    I don't know enough to evaluate that scientifically, but the anecdotal evidence on the forum seems to support it.
     
  3. Ibrido

    Ibrido Member

    Joined:
    Oct 13, 2015
    Messages:
    19
    Location:
    United Kingdom
    Charging 75kWh to 90% is same as software-limiting to 70kWh. Infact, 70kWh will have slightly more charging cycles per year as range is less.
     

Share This Page

  • About Us

    Formed in 2006, Tesla Motors Club (TMC) was the first independent online Tesla community. Today it remains the largest and most dynamic community of Tesla enthusiasts. Learn more.
  • Do you value your experience at TMC? Consider becoming a Supporting Member of Tesla Motors Club. As a thank you for your contribution, you'll get nearly no ads in the Community and Groups sections. Additional perks are available depending on the level of contribution. Please visit the Account Upgrades page for more details.


    SUPPORT TMC