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Staggering buying an EV and EV charger
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this post was submitted on 16 Sep 2023
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[Dormant] Electric Vehicles
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Worth knowing: Many OEM level 1 chargers will work at level 2 (up to 208V/240V, 8-12A). Do your research, your milage may vary.
The price difference of charging at home verses paid chargers very quickly covers the cost of a charger, even without the tax credit.
Go for the highest amperage level 2 charger you can reasonably install. For example, even if the car is limited to 7.8kW, the 9.6kW chargers are only a little more expensive and may work out better for your next EV.
If anyone knows of a level 1 or level 2 charger that can output 6A (lowest in the spec) let me know. That would be convenient for solar.
The oem L1 charger that came with my ioniq 5 can be dialed back to 6amps.
I have the Emporia L2 charger and it's been working perfectly charging at 48A 11.4kW.
I just checked the settings in the app and you can manually dial it all the way down to 6A.
It also has automated rates that integrate with load sensors, but I haven't explored that yet since I'm on flat ToU and full NEM.
It's also the cheapest UL rated unit by a long shot last I looked.
https://amzn.to/3Lnj5cY
In case you have other emporia stuff, be aware there has been at least one recall. I think just smart-plugs.
6 amps? Would that even be worth it?
When my bolt trickle charger drops to 8 amps I get quite annoyed!
I just plugged some numbers into this website. Assuming a Bolt at 20% to 80%, it would take 3 days to charge. As opposed to about 2 with 8 amps.
But if you’re charging exclusively with solar, and assuming 12 hours of sunlight, it would take 6 days.
I think having a way to charge the car off solar panels is going go become part of everyone's normal emergency kit in the future.
They keep getting cheaper, portable battery generators are getting cheaper and people are buying them to take camping or keep a fridge going for a short period. It's like the step between now, and everyone having a grid connected solar/home battery.
But with a couple portable solar panels and a portable battery, you'll be able to slowly power your car in an emergency. Might be slow, but it's better than no gas at all.
I didn't want to go into too much detail since it's tangential to EVs, but I have an off-the-grid solar system and have found in the spring and fall, with no A/C on, it would be nice to dump some excess into the car, but at 240V.
This was all before I signed up for a "free weekend" plan, so the EV charges for <5¢/kWh. I'm still learning how to balance all the variables.
So there are dual-voltage EV chargers, notably the Chevy bolt charger and Tesla charger (I think). You need adapters for them though.
I think Clipper Creek might make one as well, but not sure.
Edit - found this, would work. https://store.evsolutions.com/mobile/webasto-go---dual-voltage-portable-cordset-p124.aspx
Or an Amazing-E lower amp 240v L2 charger: https://enphase.com/store/ev-chargers/clippercreek-ev-chargers/amazinge-ev-charger-nema-14-30-plug-16