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Should I get an EV if I don't have home charging? [Split Thread]

2»

Comments

  • #52
    ELM327
    Registered Users, Registered Users 2 Posts: 22,236 ✭✭✭✭ELM327


    Deleted User wrote: »
    Why's that ? why go to the expense of a FCP when an SCP will do the job ?
    Some people are against AC charging.
    In my opinion that's madness. AC is useful for destination charging. AFAIR you also have a 6.6kW leaf? I find the 6.6kW is great, I went for a meal last last with the OH. Added over 50% in just under 2 hours. Means I didnt need to look for a charger this morning en route.

    Imagine if we had 22kW ac as an option even in the next leaf? That would make me consider an upgrade. I had written off the next leaf as after this one I wouldnt buy another.


  • #53
    grogi
    Registered Users, Registered Users 2 Posts: 8,615 ✭✭✭grogi


    ELM327 wrote: »
    Even if the next gen 2020 EV cars have 100kWh batteries as standard with 350 kW DC charging, If you fit that car with an 11kW AC charger or even a 7kW, it would charge overnight.

    A 100kWh at 20% would charge to 80% on 7kW charger in 9 hours. Above that the charging speed will start to slow down a bit...
    How much would installing a 20kW CCS/Chademo unit at your house and wiring it cost? Can we even do that, there wouldn't be enough electricity at each substation to meet multiple 20kW demands side by side at peak load. The supply may be at the grid but if the local network can't deliver it, who pays for the upgrade?

    If the batteries become cheaper and cheaper, you could potentially have a local 150kWh power-bank that would keep charging from AC and fast charge the car with DC.
    ELM327 wrote: »
    DC only is not going to happen in our lifetimes. You can quote this post in 10 years lol.


  • #54
    unkel
    Registered Users, Registered Users 2 Posts: 65,741 ✭✭✭✭unkel
    Chauffe, Marcel, chauffe!


    ELM327 wrote: »
    I don't ever foresee a day - nor would I ever purchase one - where an EV would be sold with DC only charging.

    Oh man, you got me completely wrong!

    I certainly believe in AC slow charging. It should be the main way of charging EVs. At home on your private charger in your drive, or a communal / shared / private charger if you live in a home without a drive. Or at work. Or at a privately owned pay for carpark

    Privately owned is the key here. All public charging should be highway DC 350kW or more FCP in a few years time - looking like this one in Norway:

    45738.jpg

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  • #55
    [Deleted User]
    Posts: 21,179 ✭✭✭✭ [Deleted User]


    ELM327 wrote: »
    Some people are against AC charging.
    In my opinion that's madness. AC is useful for destination charging. AFAIR you also have a 6.6kW leaf? I find the 6.6kW is great, I went for a meal last last with the OH. Added over 50% in just under 2 hours. Means I didnt need to look for a charger this morning en route.

    Imagine if we had 22kW ac as an option even in the next leaf? That would make me consider an upgrade. I had written off the next leaf as after this one I wouldnt buy another.


    Yes I have the 6.6 Kw charger in the Leaf.

    Some people just don't accept that slower charging is adequate a lot of the time and would seemingly rather spend up to 30 mins waiting at a fast charger. I avoid them like the plague when I get the opportunity.

    I'd rather see 20 Kw DC points replace AC points so that every car can charge at this power and not depend on the car manufacturer to install a more powerful AC charger. Either way for now, even 6.6 Kw charging is really nice to have in order to avoid waiting at fast chargers as much as possible.

    22 Kw ac for Leaf II ? who knows, I doubt it.


  • #56
    BoatMad
    Registered Users, Registered Users 2 Posts: 13,702 ✭✭✭✭BoatMad


    unkel wrote: »
    Oh man, you got me completely wrong!

    I certainly believe in AC slow charging. It should be the main way of charging EVs. At home on your private charger in your drive, or a communal / shared / private charger if you live in a home without a drive. Or at work. Or at a privately owned pay for carpark

    Privately owned is the key here. All public charging should be highway DC 350kW or more FCP in a few years time - looking like this one in Norway:

    45738.jpg

    Yes this is the " style " of what is needed if we are to scale up

    medium power AC has no real role to play outside home charging , that solution simply isnt scalable to large numbers of EVs , I fact people seem to conveniently overlook

    personally I agrre with others that say carrying around a AC charger in the car is dead weight , the charger should be part of the infrastructure not the car.


  • #57
    BoatMad
    Registered Users, Registered Users 2 Posts: 13,702 ✭✭✭✭BoatMad


    I'd rather see 20 Kw DC points replace AC points so that every car can charge at this power and not depend on the car manufacturer to install a more powerful AC charger. Either way for now, even 6.6 Kw charging is really nice to have in order to avoid waiting at fast chargers as much as possible.

    22Kw DC, why , teh future is high power fast turnaround charging, because thats the only thing that can scale , without needing enormous numbers of charger locations


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