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Discussion Starter · #1 ·
I am so sorry to beat this dead horse but I'm confused.

I just swapped my 2019 Bolt for a 2022.
I made an adapter to run my old OEM EVSE on 240V and it worked fine.

Looking at my new adapter (picture attached) only 120V (and 1440 Watts) is listed.
I could swear my 2019 EVSE had dual voltage listed. Unfortunately I don't have it to look at now.

Does my new EVSE only support 120V?

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I am so sorry to beat this dead horse but I'm confused.

I just swapped my 2019 Bolt for a 2022.
I made an adapter to run my old OEM EVSE on 240V and it worked fine.

Looking at my new adapter (picture attached) only 120V (and 1440 Watts) is listed.
I could swear my 2019 EVSE had dual voltage listed. Unfortunately I don't have it to look at now.

Does my new EVSE only support 120V?

View attachment 45231
None of the Bolt OEM EVSEs from 2017-2021 were labeled for 240V.
 

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Meaning this EVSE is the same as my 2019?
2022 EV OEM EVSE is the same as 2017-2021.

2022 EUV OEM EVSE is labeled for both 120V and 240V and has 2 plugs that can be changed.

2022 EUV OEM EVSE behaves the same as 2017-2022 EV OEM EVSE if the 120V OEM plug is used with a customer-provided adapter to plug into 240V. Specifically, it will run at 240V x 12A.

Only the 2022 EUV OEM EVSE is labeled for 240V using the OEM plug.

Off label use of any of the OEM EVSEs is at your own risk, and a lockout box is recommended to prevent accidental use of 120V-only devices with your plug adapter.
 

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Discussion Starter · #5 ·
Ok, thanks. It’s just my back-up for my back-up. Made the adapter, tested it, never used in 3+ years. Just got spooked when I saw the new EVSE.

THANK YOU.
 

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I'm currently charging my 2022 Bolt EV with the same 240V adapter I used on my 2018 Bolt EV. Neither OEM EVSE listed 240V on the outer case. Works fine.
 
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None of the Bolt OEM EVSEs from 2017-2021 were labeled for 240V.
I can confirm Mich Bolter man on this... I plugged my 2021 EVSE from GM into my 240V dryer outlet with an adapter.... EVSE kept getting too hot and tripped to fault and would not work. Red light came on. If I unplugged and then re-plugged it would work again for about 10 minutes and then same deal. My dryer outlet (10-30) with 40amp breaker was too much for the EVSE.
 

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Discussion Starter · #8 ·
I’ve only tested mine on a 20Amp 240V line. I will see if it works on higher amp circuits. I just have it in my travel bag as a back up but want to make sure it works in case I really need it. My home charger is a Tesla MU on a 50amp circuit (which I love BTW).
 

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EVSE kept getting too hot and tripped to fault and would not work. Red light came on.
You either have a bad ground or an overheating plug to see the red light. Is your dryer in a hot garage? I've been using my OEM on 240V for nearly 5 years without getting a red light. Did get a red light once while visiting where there was a bad 120V connection. Since last year, I've been using two units on 240V to charge two EVs.
 

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You either have a bad ground or an overheating plug to see the red light. Is your dryer in a hot garage? I've been using my OEM on 240V for nearly 5 years without getting a red light. Did get a red light once while visiting where there was a bad 120V connection. Since last year, I've been using two units on 240V to charge two EVs.
could be the hot laundry room and/or my 10ga extension cord is bad. I did notice the Extension cord (R) end was got when I unplugged.... I went ahead and ordered a 240V portable EVSE (199) on Amazon. I also ordered a beefier Extension cord. Well report back on it when I can.
 

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I realize the OP has the OEM EV EVSE (not the EUV version), but I want to remind everyone that if you use the EUV version on 240v using the included 14-50 plug, it will draw 32 amps. If you're on a 30 amp circuit or less, you'll either continue to pop the circuit breaker, or if it doesn't pop you risk a fire. Using the EV version of the EVSE on 240v (which as mentioned is not approved by GM), you will only draw 16 amps, so you're good on a 20 amp circuit.
 

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Pretty sure it will only draw 12 amps - same as on 120v.
Yes, the EV version will. But the EUV version outputs 32 amps on 240v. I was just reminding everyone there's a difference between the two EVSEs.
 

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Yes, the EV version will. But the EUV version outputs 32 amps on 240v. I was just reminding everyone there's a difference between the two EVSEs.
Correct. But the EV version will only ever output a max of 12 amps. Never 16.

I gather the EUV version will output 32 amps on 240v (using the 240v plug), but a max of 12 amps on 120v. I’ve seen claims it will also output 12 amps on 240v if you use the 120v plug with a 240v adapter (as one might use with the EV version EVSE).
 
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