Mobile connector stuck at 1KWh

[Michael Hill]

I have a 50 foot extension cord (12 gauge) plugged into a 110v / 12 amp outlet circuit and only getting 1 KWh. The connector is clean and no errors on charging. What am I missing?

 

[cgell]

I assume you mean a 120v/15 amp outlet getting 1kW. (kWh is the amount of energy added, not the rate at which it’s added). Is sentry, climate, or overheat protection on? How many amps are showing when you charge (full rate should be 12 on that outlet)? Anything else on that circuit?

 

[qdeathstar]

I have a 50 foot extension cord (12 gauge) plugged into a 110v / 12 amp outlet circuit and only getting 1 KWh. The connector is clean and no errors on charging. What am I missing?

Your voltage is dropping. Also what do you mean by 12 amp outlet?

 

[spsheridan]

If you are really getting 110V and 12A at the car, the power you can expect to see is just 1.32 kW. At one significant digit, that rounds down to 1 kW. If the gauge of the extension cord is not sufficient, you'll get loss in the cord which would lower the power you get below 1.32 kW.

 

[Michael Hill]

Your voltage is dropping. Also what do you mean by 12 amp outlet?

Meaning the app shows 12 amps at that outlet

 

[Michael Hill]

Next day I was charging at 5mi/hour somehow it worked out but the only thing I did different was clean the connectors.

 

[FamilYLR]

you're not missing anything, you are plugged into a standard outlet, expect it to suck.

 

[fiehlsport]

1kW indicated is correct. There is nothing wrong.

 

[howardnj]

I have a 50 foot extension cord (12 gauge) plugged into a 110v / 12 amp outlet circuit and only getting 1 KWh. The connector is clean and no errors on charging. What am I missing?

Have you checked the FPL incentives for electric vehicles?

FPL | Electric Vehicles

See how we’re accelerating the future of EV technology and making it easier to drive electric and reduce emissions.

www.fpl.com

Why are you only using 110v outlet to charge?

 

[ATPMSD]

only getting 1 KWh

That is what you should be getting, Let’s assume you are connected to a 120v outlet, and the car shows 120v, then 120v * 12a = 1.44 kW. Now we need to factor in energy loss in the conversion from AC to DC in the car, which at 120v is around 80% efficient. Thus, 1.44 kW * 80% = 1.152 kW, which is basically 1 kW. If the car shows 110v, then 110v * 12a * 80% = 1 kW.

 

[Michael Hill]

Have you checked the FPL incentives for electric vehicles?

FPL | Electric Vehicles

See how we’re accelerating the future of EV technology and making it easier to drive electric and reduce emissions.

www.fpl.com

Why are you only using 110v outlet to charge?

Was going to a cabin and didn't know what type of 240V outlet it had so I didn't plan that way.

 

[Michael Hill]

That is what you should be getting, Let’s assume you are connected to a 120v outlet, and the car shows 120v, then 120v * 12a = 1.44 kW. Now we need to factor in energy loss in the conversion from AC to DC in the car, which at 120v is around 80% efficient. Thus, 1.44 kW * 80% = 1.152 kW, which is basically 1 kW. If the car shows 110v, then 110v * 12a * 80% = 1 kW.

gotcha - electrical engineering classes were impossible for me (Mech Eng major). Never wanted to understand this stuff.