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8 miles per hour on 120v

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Who can explain this???
 

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I'm guessing you have an issue with your house neutral wire and you are getting current through it for whatever reason. I can't think of any other reason you would actually be seeing it charge faster.

Here are the full details. The outlet is at my workplace. It is a 120v 20a. I’m using the 5-15 getting 3-4 mph but I was going to buy the 5-20 adapter. Today I plug in and was about to buy it but I seen the 7/8 mph I thought maybe the plug is now pulling from each hot line possibly but idk what the 3 would be. Almost 6.5 hours gained 52 miles
 

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so - just looking over my old images I found this one:
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I think 2 things are implied here - first if that you are not charging as fast as you could at 7Amps instead of 12 Amps. Second that you are probably looking at ideal miles instead of rated.
 
Even if it's ideal miles is shouldn't be that drastic of a difference in charge rate, especially at 7 amps. At 7 amps, 110v single phase it should only be charging at 2 or 3 mi/hr. You'd need to be pulling 3Kw to be able to get up to 8 mi/hr and three phase at 7 amps would be that exact amount.

Bigger question is that I don't think the mobile charger can handle three phase power, so that's a mystery... in addition to how you'd be getting three phase power on a 120 outlet with only one hot wire. Gremlins?
 
I guess that is an interesting thought. If OP changes to percent it should show that actual charging rate vs. mph. That might add one more data point to the mystery...

I ran the numbers and her image is showing .777KWh if we assume single phase. My image shows 1.46KWh for sure. The time to full is confusing between our two images though.
 
I guess that is an interesting thought. If OP changes to percent it should show that actual charging rate vs. mph. That might add one more data point to the mystery...

I ran the numbers and her image is showing .777KWh if we assume single phase. My image shows 1.46KWh for sure. The time to full is confusing between our two images though.
I will do that and post the shot
 
Even if it's ideal miles is shouldn't be that drastic of a difference in charge rate, especially at 7 amps. At 7 amps, 110v single phase it should only be charging at 2 or 3 mi/hr. You'd need to be pulling 3Kw to be able to get up to 8 mi/hr and three phase at 7 amps would be that exact amount.

Bigger question is that I don't think the mobile charger can handle three phase power, so that's a mystery... in addition to how you'd be getting three phase power on a 120 outlet with only one hot wire. Gremlins?

that’s what I was thinking myself