Leaf II announcement due tomorrow, who's waiting up?

Discussion in 'Hybrid, PHEV & EV Electric Cars Forum' started by DrPhil, Sep 5, 2017.

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  1. DrPhil

    DrPhil
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    As a 24kwh Leaf owner doing about 16k miles a year I can testify that the Leaf is a perfectly capable car of doing big miles and cross country (Ireland) without too much fuss. And even more now that the 40kwh is available.

    Mind you our rapids are seemingly better than the Ecotricity ones. My friend charged his 2018 demo Leaf at up to 45kw last week.
     
  2. jassco

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    We've got 10500 on the clock of our 30kwh leaf after 5 1/2 months (2 weeks of which the car was in for accident repair). We've not found a single journey too much for it, and we've done a couple of 150 mile journeys with a short stop.

    This year will be a real test though, with one 300 mile trip to London, and one 300 mile trip to Wales. I'm expecting two to three stops per journey at around 30 mins each, which is essential with a 3 year old anyway. I am tempted to get an ICE for the journeys for convenience though
     
  3. IronGiant

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    Do Nissan still offer us the loan of an ICE for up to two weeks "FOC" ?
     
  4. Bl4ckGryph0n

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    According to their website they do...Doesn't say whether it is the GT-R or Patrol V8 though :(
     
  5. IronGiant

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    That's worth knowing thanks :thumbsup:
     
  6. jassco

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    Mine made up part of the contract as I got it in writing from them, but I think it's only for the duration of the lease. So if I buy the car after (first time I'd ever considered doing so with a lease) then not sure we'd still be able to borrow one
     
  7. IronGiant

    IronGiant
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    In all the excitement, it wasn't something I thought to check when we got ours, so it's good to know the option is probably there.
     
  8. SourKraut

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    Nissan would give you an ICE car for two weeks, for the first 3yrs.
    The two weeks can be broken up in to a few days, so long as it doesn’t go more than the two weeks.
     
  9. jassco

    jassco
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    Annoyingly it's only from the dealer you bought the car from though
     
  10. SourKraut

    SourKraut
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    Well yes, would have thought that was obvious?...don’t really see your point buddy?
    It’s an incentive to elevate any concerns the buyer has in getting into this type of mode of transport
     
  11. Gordon @ Convergent AV

    Gordon @ Convergent AV
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    i've never had a battery actually overheat but the Leaf certainly did charge slower once it was on it's fourth charge of the day on long trip i took it on. There is a battery temp guage in that car so you can see when you are going to have longher charge time. With my iONIQ i have not had any such problems and, of course, as it has a longer range i need less charges with it. Good news as well is that even in short time i've owned mine (since last May) the charge network has expanded a lot.
     
  12. Gordon @ Convergent AV

    Gordon @ Convergent AV
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    Indeed and my wife liked the idea we could do this when we got our Leaf...but after driving an ev for a few months we decided to not take up the offer when we went on our summer holiday to Skye and took the Leaf instead.
     
  13. outoftheknow

    outoftheknow
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    Thanks Gordon - I think that is what I remember. I was maybe a bit loose with ‘overheating’. Merely pointing out the slower charge on multiple rapid charges is not new and not a rumour :)
     
  14. jassco

    jassco
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    The point is that whilst it's a Nissan incentive, it's not centrally administered by Nissan. So this fact that's not advertised has implications for a potential buyer as it limits their ability to shop around different dealers, and it also affects people who relocate away from their dealer (sounds like I'm talking about drugs here)

    Quick edit for an example: our local dealer tried to alter the terms of the contract to the value of nearly 1k when I was signing, so I walked out. Next nearest dealer is 40 miles away so we bought from them, but we also have to drive there to get the ICE car.
     
    Last edited: Feb 20, 2018
  15. DrPhil

    DrPhil
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    Picking up a Leaf for a 24 hour test drive in the morning.

    It will get some heavy duty charging and driving before it returns!
     
  16. DrPhil

    DrPhil
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    Well, I'm out.

    Car needs over an hour for a second rapid charge in a row.

    Not amused, and nor is my wife who will have to wait for me!
     
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  17. Bl4ckGryph0n

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    Sorry I'm laughing, but it is good to get that kind of feedback...

    I can just hear my wife: "Yes we have to go less times to the petrol station than with the AMG, but at least I can fill that one up in five minutes...You and your bloody green ideas" :)
     
    Last edited: Feb 22, 2018
  18. outoftheknow

    outoftheknow
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    Presumably this battery charging management has become necessary in the bigger batteries? The mark 1 didn’t have it since range was so low anyway and peple didn’t expect to head off on long journeys with that range? Or of course the lower capacity meant the extra time they had to allow was 5 minutes instead of 30......
     
  19. IronGiant

    IronGiant
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    I suspect, without having any proof, that the smaller batteries are less densely packed so could dissipate heat more easily.
     
  20. paulyoung666

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    Unless the build of the pack has changed significantly then no , more cells in the pack with a higher power density is what's happened I believe ....
     
  21. IronGiant

    IronGiant
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    I meant smaller overall capacity, not physical size of individual cells, sorry for the confusion.
     
  22. DrPhil

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    For those interested, the step by step of my slow charge discovery.

    Here we go...

    Collected the car in Coleraine at quarter past 10. 3 degrees outside and battery temperature is around 30% or thereabouts, harder to tell with the linear display rather than bars. The display does show 99% but that's because I left the dealership and pulled in a bit up the road for the pictures. Forgot to reset the trip counter!
    [​IMG]

    Drove from Coleraine to Derry and then on to Belfast. In my 24kwh I wouldn't even reach Belfast from Derry never mind the Coleraine leg so this was going well. I did find that when I hit the motorway 22 miles before Belfast, that if I set the cruise control to 70mph I was losing more than 1 mile per %. So at full motorway speed I'd get less than 100% assuming the meter is linear. To be safe, I dropped the speed to 65mph to ensure I reached the charger.

    Arrived at the charger after 102 miles (ignore the A counter, the drive computer was correct. Pleasantly surprised with 3.4m/kwh as I normally would have averaged 3.1 on that trip. However if the usable battery is 38kwh and I used 89% of that, at 3.4m/kwh shouldn't I have gotten 116 miles, not 102?
    [​IMG]

    This is the charger.
    [​IMG]

    Had a short wait before plugging in as someone else was there. Estimate of 31 minutes to reach 75%. Sounds promising?
    [​IMG]

    This was my temperature just after plugging in. 7 degrees outside. Battery temp up to about 50%.
    [​IMG]

    Plugged in just after 1pm, pulling 42kw. Started to slow down around 60%, to 38kw and after 70% down to 28kw.
    [​IMG]

    Wrapping up after 45 minutes at 80%. Battery temperature now at about 70%.
    [​IMG]

    46 minutes in total from 11% to 80%.
    [​IMG]



    Drove from Belfast to Newry and back, then headed out of Belfast towards home. Arrived at the second rapid with the battery temperature now around 80%.
    [​IMG]

    And this was the moment the 40kwh Leaf evaporated as a viable option for me. Plugged into the charger on 12% and was given an estimate of 1.5 hours to reach 75%. Only taking 22kw from the start.
    [​IMG]

    Nearly an hour later and I'm only at 65%. Traffic starting to build up so I left. Partly to beat the traffic and partly to add a 3rd stop and see if the rate was any different.
    [​IMG]

    Temperature on departure still around 80%. So yeah the restrictions prevent the car from overheating, but it shouldn't need such severe throttling to keep it out of the red.
    [​IMG]

    Don't have the early picture, arrived with about 25% I think. I left shortly after this. Again only pulling 23kw.
    [​IMG]

    Battery temperature constant at 80%.
    [​IMG]

    This is the next morning. Battery dropped back to about 30% again.
    [​IMG]

    After driving back to Coleraine (about 35 miles) I used 36% and brought the battery temperature back up to 40-45%.
    [​IMG]
     
  23. DrPhil

    DrPhil
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    Edit, what did I do? Pictures not working? If I hit "edit post" I can see them, but not in the post.
     
  24. IronGiant

    IronGiant
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    Might be the site, people are having issues in GC, but they are showing as links, which then don't work.
    I'm seeing little crossed out icons in your post, nothing at all if I "edit"
     
  25. LV426

    LV426
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    They are links to attachements at SpeakEV. If I try to view one of the pictures on its own, speakEV demands me to be logged in. I'm not. That will explain why you can see them (as presumably you are logged in) and I can't. And neither can anyone else, I suppose.
     
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  26. IronGiant

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    Well spotted, thanks LV.
     
  27. DrPhil

    DrPhil
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    Understood.

    I'll fix them tomorrow.
     
  28. IronGiant

    IronGiant
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    I can't help but think that in the scramble to cram in more batteries someone forgot to look into heat dissipation...
     
  29. stiv674

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    Do any other electric car manufacturers offer an ICE loan car?
     
  30. PRESSTOG

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    Sorry not having much knowledge of the leaf, but does it not have any form of active battery temperature management while charging.

    Coming from the i3 and Zoe which have active battery cooling during charging, I thought this was standard across EVs as it seems common sense. I know the Tesla I borrowed had it as well as the fans fired up like banshees when on a supercharger...

    On the Zoe with the 41kw battery rapid charging slows down much earlier than the 22kw Zoe and that is with the active cooling I hate to think of a system without it

    It just seems madness to increase battery density and not include an active heat management system
     

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