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Batman:
thanks, will it [tesla gen 3 wall connector] work with Kia / Hyundai?
Yes.
Batman:
sorry i have difficulty understanding certain things - so you recommend a "wall charger" - that's the Tesla Gen 3 box?
I'll step back a little and explain things.
For domestic charging, we feed alternating current (AC) power to the car, and it's onboard charger uses this to charge the battery.
To get this to work, a little box of electronics called an EVSE (Electric Vehicle Supply Equipment) is needed. In short this tells the car's onboard charger how much power it can draw, does a safety handshake with the car, then turns on some internal switches to liven the cable.
EVSE's come in two flavors:
Portable: Basically a brick and a cord. Family members Hyundai EV came with a cord like the below (with a NZ domestic plug, not the euro plug shown). Some other brands (Tesla, ford), don't include them, but there is a vast range you can buy for around $600.
These work fine, but the power they can draw is limited by the rating of the socket on the end, meaning that you will add about 100km range in a 10 hour charge session.
You can also get versions with slightly bigger plugs fitted. one with a 16A plug will add about 160km range in a 10 hour session
Hardwired: Generally called a wallbox / wall connecter / wall charger etc, but it is fine to pedestal or fence mount them if you don't have a wall handy.
Basically the same idea as the above, but no plug, so no plug related current limits. As such they are generally installed with wiring sized to suit 32 Amps (7kW single phase or 22kW three phase if the latter is available), but they have the ability to turn down if the wiring isn't big enough..
There are many different brands to choose from. I think Hyundai / Kia partner with the "Wallbox" brand. For a while they were including them with some Hyundai EV's.
Family member have one of those (paid for not free). Pretty flash. Can do things like start, stop, speed up or slow down charging, set charging timers from their mobile app.
https://chargemaster.co.nz/products/wallbox-pulsar-plus
But it's $2000, most cars (excl MG) have charge timers built in anyway, and unless you are trying to manually solar balance, there is little need to speed up / slow down charging. Hence the recommendation or the tesla one Which they market as a "Wall connector"
In terms of brand's, unless you want special capability such as setting charge timers on the EVSE instead of the car, power sharing or a current transducer, you can pretty much take your pick. they will all get the same job done.
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