Question about fast charger

Seeking Advice Forum
1

Is it possible to use a 12kW 240v 50 amp charger on single-phase electricity? Or is this only doable with three-phase? If not, is there a cheaper way to upgrade the wiring to my garage for more power?

2

Which charger are you looking at exactly? And what country are you in?

3

Connie said:
Which charger are you looking at exactly? And what country are you in?

Canada. It’s a gwuyu 50A 12kW, 110-240v model.

4

Jason said:

Connie said:
Which charger are you looking at exactly? And what country are you in?

Canada. It’s a gwuyu 50A 12kW, 110-240v model.

Gwuyu? Never heard of it… honestly, there are plenty of reliable chargers that are reasonably priced. I love my Grizzl-e. I’d avoid cheaping out on something from AliExpress if I were you.

5

@Ronald
I know, but it was sooo cheap, I couldn’t resist being curious about it. Not sure if I’m allowed to post the link here.

6

Jason said:
@Ronald
I know, but it was sooo cheap, I couldn’t resist being curious about it. Not sure if I’m allowed to post the link here.

I saw the Gwuyu 50A listed at $455 plus shipping. Grizzl-e Classic is about $499. Not really worth the risk in my opinion.

7

@Ronald
Actually, it’s down to 350 CAD on Ali now.

8

Jason said:
@Ronald
Actually, it’s down to 350 CAD on Ali now.

I still wouldn’t go for it. Even the 32A version is around $386. For that price, you might as well go with something reliable like Grizzl-e.

9

@Ronald
[Here’s the charger I was considering](http://I just found this on AliExpress: C$374.03 | EV Charging Station GWUYU JZ30-1 Type 1 J1772 7.6KW 32A 9.6KW 40A 12KW 50A 110-240V APP Control Swipe Charging Wallbox Charger https://a.aliexpress.com/_ExbDkQd)

10

@Jason
Still wouldn’t risk it. And since it’s a direct-wired unit, you might have a tough time finding an electrician willing to install it.

11

Ronald said:
@Jason
Still wouldn’t risk it. And since it’s a direct-wired unit, you might have a tough time finding an electrician willing to install it.

Alright, thanks for the advice. Was just considering it because of the price, but if it’s not compatible, I’ll pass.

12

Jason said:
@Ronald
Actually, it’s down to 350 CAD on Ali now.

Imagine there’s a fire, and insurance says it’s not covered because of that charger. All to save a few hundred bucks!

13

Jason said:
@Ronald
I know, but it was sooo cheap, I couldn’t resist being curious about it. Not sure if I’m allowed to post the link here.

Just 350 CAD.

14

Most EVs only support up to 60A circuits, which max out at 48A (or 11.5kW). A 50A circuit usually provides 40A, which gives 9.6kW. You need wiring that can handle the heat, but heavier wiring alone won’t increase charging speed.

15

@Imani
So, it might work on single-phase electricity?

16

Jason said:
@Imani
So, it might work on single-phase electricity?

Can you clarify what you mean by “it”?

17

Imani said:

Jason said:
@Imani
So, it might work on single-phase electricity?

Can you clarify what you mean by “it”?

I mean using a 50A charger on a single-phase setup.

18

@Jason
Got it. A 50A circuit gives 40A for charging (80% of its rating), which is 9.6kW. And technically, there’s no such thing as a ‘50A charger’—the charger is in the car. The wall box, which people call the ‘charger,’ is actually an EVSE. It just tells the car the max current so it won’t trip a breaker.

U.S. 240V power is single-phase but is split-phase (120V each side to common).

19

@Imani
English isn’t my first language, but I understand now. Thanks for breaking it down!

20

Nope.