1. Attachments are working again! Check out this thread for more details and to report any other bugs.

more questions - charging in rain? topping off? saving EV?

Discussion in 'Gen 1 Prius Plug-in 2012-2015' started by the_chinadian, Nov 16, 2012.

  1. markabele

    markabele owner of PiP, then Leaf, then Model 3

    Joined:
    Mar 27, 2012
    5,084
    1,782
    1
    Location:
    Nebraska
    Vehicle:
    2018 Tesla Model 3
    Model:
    N/A
    Huh? What's the point of having a plug in then?
     
  2. GregP507

    GregP507 Senior Member

    Joined:
    Apr 5, 2014
    3,002
    480
    0
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    The point I was trying to make, was not to add any additional charging cycles more than necessary.
     
  3. markabele

    markabele owner of PiP, then Leaf, then Model 3

    Joined:
    Mar 27, 2012
    5,084
    1,782
    1
    Location:
    Nebraska
    Vehicle:
    2018 Tesla Model 3
    Model:
    N/A
    Make sure to shift into neutral before you brake then so you don't get any regen.
     
  4. GregP507

    GregP507 Senior Member

    Joined:
    Apr 5, 2014
    3,002
    480
    0
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    Thanks for the suggestion, but I'm not about trading all fuel economy for longer battery life. Topping up excessively not only degrades the battery faster, but it shortens the life of the charging cable, and contributes very little to fuel economy.
    Sarcasm noted.
     
  5. markabele

    markabele owner of PiP, then Leaf, then Model 3

    Joined:
    Mar 27, 2012
    5,084
    1,782
    1
    Location:
    Nebraska
    Vehicle:
    2018 Tesla Model 3
    Model:
    N/A
    You are using terms that could mean a lot of different things. Maybe we should define "excessively?"

    And lol to "shortens the life of the charging cable."

    Another ambiguous statement: "contributes very little to fuel economy" Please explain.
     
  6. GregP507

    GregP507 Senior Member

    Joined:
    Apr 5, 2014
    3,002
    480
    0
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    I don't think you need scientific data to make the assumption that using the cable twice as much will make it last half as long.

    If I plug in with 75% of my EV range left, instead of plugging in when it reaches zero, I will have plugged in 4 times more than necessary to achieve the same effect.

    "Excessive" or "unnecessary," take your pick.
     
  7. markabele

    markabele owner of PiP, then Leaf, then Model 3

    Joined:
    Mar 27, 2012
    5,084
    1,782
    1
    Location:
    Nebraska
    Vehicle:
    2018 Tesla Model 3
    Model:
    N/A
    I personally don't get this one man. Spending a dollar to save a dime.
     
  8. GregP507

    GregP507 Senior Member

    Joined:
    Apr 5, 2014
    3,002
    480
    0
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    Where am I spending more? Have I confused you somehow? I can't imagine how I could make it simpler.
     
  9. markabele

    markabele owner of PiP, then Leaf, then Model 3

    Joined:
    Mar 27, 2012
    5,084
    1,782
    1
    Location:
    Nebraska
    Vehicle:
    2018 Tesla Model 3
    Model:
    N/A
    Burning gas when you could be using electricity. That has a very fixed amount you save every time. Using the plug each time has a very indefinite amount (and probably very small) that it costs you each time via wear and tear.
     
  10. GregP507

    GregP507 Senior Member

    Joined:
    Apr 5, 2014
    3,002
    480
    0
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    How does topping up use less gasoline than letting the EV range hit zero before plugging in?
     
  11. markabele

    markabele owner of PiP, then Leaf, then Model 3

    Joined:
    Mar 27, 2012
    5,084
    1,782
    1
    Location:
    Nebraska
    Vehicle:
    2018 Tesla Model 3
    Model:
    N/A
    haha - with that one I have to be done...clearly no use in arguing with you if you just asked that question
     
    JBumps likes this.
  12. GregP507

    GregP507 Senior Member

    Joined:
    Apr 5, 2014
    3,002
    480
    0
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    Off you go laughing then, but I fail to see where you successfully supported your arguments or refuted mine.
     
  13. devprius

    devprius /dev/geek

    Joined:
    Jan 2, 2006
    979
    291
    0
    Location:
    San Francisco Bay Area, CA
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    You do realize that regenerative braking is far harder on the battery on a regular basis than frequently charging it during the day? Anywhere from 4 to 20 times what we can draw from the wall.
     
  14. GregP507

    GregP507 Senior Member

    Joined:
    Apr 5, 2014
    3,002
    480
    0
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    I wasn't talking about charging current, I was referring to the number of charging cycles. Both affect battery life, but at least I have some control over the number of times I plug in.
     
  15. devprius

    devprius /dev/geek

    Joined:
    Jan 2, 2006
    979
    291
    0
    Location:
    San Francisco Bay Area, CA
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    Are you disagreeing with me, or the OP? Like you, I also have an outdoor hard-wired EVSE that is exposed to the elements all the time (no snow, though, just rain) and never had a problem.
     
  16. GregP507

    GregP507 Senior Member

    Joined:
    Apr 5, 2014
    3,002
    480
    0
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    Personally, I'd put the charging cable in some sort of shelter in such a case. Keeping it out sun and rain is never a bad idea.
     
  17. CharlesH

    CharlesH CA HOV Decal #5 on former PiP

    Joined:
    Nov 27, 2005
    2,788
    1,153
    0
    Location:
    Roseville, CA
    Vehicle:
    2017 Prius Prime
    Model:
    Prime Advanced
    As I understand it, the recharging limitations with LiIon are the number of FULL charging cycles; that is, there is no essentially no difference between going from 23% SOC to 85% SOC once, and going from 23% to 54% SOC twice.
     
    markabele likes this.
  18. GregP507

    GregP507 Senior Member

    Joined:
    Apr 5, 2014
    3,002
    480
    0
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    According to the Tesla FAQ, high-amperage charging has absolutely no effect on battery life.
     
  19. Karl Goh

    Karl Goh Junior Member

    Joined:
    Jul 20, 2019
    31
    14
    0
    Location:
    New Zealand
    Vehicle:
    2012 Prius Plug-in
    Model:
    i-Tech
    I thought they did say it affects slightly but i cannot remember where. And Tesla Li-Ion is slightly different make up of toyotas, not sure how much(if any) it will affect the end result
     
  20. JimboPalmer

    JimboPalmer Tsar of all the Rushers

    Joined:
    Apr 14, 2009
    12,470
    6,871
    2
    Location:
    Greenwood MS USA
    Vehicle:
    2012 Prius v wagon
    Model:
    Three
    I have two answers:
    The connector at the car is extremely safe, there are rigorous protocols to keep you safe.
    The connector at the wall is not safer than any other 120 volt plug. If this outlet is in the rain, you are only protected at all if you are protected by a GFCI outlet where you plug in.