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Charging speed at Level 1

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Charging speed at Level 1

 
Old 05-24-2019, 07:00 AM
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Default Charging speed at Level 1

We all know that level 1 is slow (normal household outlet). However I am only charging at 1.0 miles per hour with the supplied e-tron charger. The green light on the charger indicates it is charging at 100%. Audi is saying it should charge around 2.5 - 3 miles per hour. I normally charge on level 2 and that's fine. But I'll be travelling and need to plug in at a residence for a few days. So....what is everyone experiencing with a level 1 charge rate?
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Old 05-24-2019, 08:23 AM
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Wow, unless you have 3 days, I'd suggest checkin plug share.com for nearby level 2 charging.
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Old 05-24-2019, 10:07 AM
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I tested out the Level 1 charging with bundled Audi charger(EVSE) during the first week of ownership just so I have the facts.
Instead of Mile per Hour of Charge - which highly depends on your previous driving pattern here are my numbers:

on a very 20+ yrs old 15A 120V garage wall socket:
7 hr - from 69% to 74% SoC
8 Hr - from 69% to 75% SoC
around less than 15 hr - from 69% to 80% - that's 9.2 kWh in 15 hr or 0.613 kWh / hr or projected to 0-100% SoC ( assuming 83.6 kWh usable) in 136 hr or ( if assume e-tron has 205 miles range @ 100% SoC -> ie 1.5 Miles / hr )

P.S. Keep in mind the charge rate will auto back down if it detects voltage drop from higher resistance, so make sure you use the shortest run outlet ( and, if possible, a 20A wall socket if possible)
also I do noticed the Mile / Hour-charge on the dash creep higher after a few hours.
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Old 05-24-2019, 01:35 PM
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Probably best to visit only friends who have electric dryers, and bring the appropriate adaptor to borrow their circuit.
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Old 05-25-2019, 05:46 AM
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I posted about the level 1 charge rate earlier.

https://www.audiworld.com/forums/aud...isons-2972615/

I'll have a 120V adapter for the Juicebox next week and will be able to test that but I think you should be able to dial in any current setting, even at 120V. That might be good for your use case.

Last edited by alexlear; 05-25-2019 at 05:49 AM.
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Old 05-25-2019, 06:20 AM
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Originally Posted by alexlear View Post
I posted about the level 1 charge rate earlier.

https://www.audiworld.com/forums/aud...isons-2972615/

I'll have a 120V adapter for the Juicebox next week and will be able to test that but I think you should be able to dial in any current setting, even at 120V. That might be good for your use case.
I think you'll find the JuiceBox at 120v will be just like any other level 1 charger at 120v - very, very slow.
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Old 05-25-2019, 06:36 AM
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Originally Posted by jeffbtx View Post
I think you'll find the JuiceBox at 120v will be just like any other level 1 charger at 120v - very, very slow.
Yes, very slow but its all relative. If the Juicebox allows you to dial in 15A on 120V, that will be close to double the 8A the Audi EVSE provides. It doesn't leave any current for other loads on the circuit but there are times when all you might have is a 120V outlet.
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