FYI - Charging with 120v in cold will reduce your effective charge rate significantly

[dtbaker61]

Just wanted to post that charging with the Ford Mobile charger from 120v outlet outside overnight in an open carport at -10deg F worked fine for me this weekend, BUT the effective charge rate was only about half of 'normal' because some of the energy was presumably going to keeping the batteries above freezing.

This is not a bug or unexpected, I just wanted to post so that others are not surprised if charging with L1 in extreme cold.

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[mkhuffman]

This seems like another good use case for the 120V charger. So many people pan it, but I have found it to be very useful in certain situations.

 

[Motomax]

So instead of 4 days to charge it takes 6-8 days? ?

honestly, if someone’s relying on 120v for charging they could probably go two weeks without charging. they probably won’t care about even slower charging.

 

[dtbaker61]

So instead of 4 days to charge it takes 6-8 days? ?

honestly, if someone’s relying on 120v for charging they could probably go two weeks without charging. they probably won’t care about even slower charging.

I mentioned it for the people that may be traveling and staying at a friend's house, or B&B without access to 240v.... Just to be aware that you will NOT get '3 miles range per hour of charge' if the temp is well below freezing since *some* of the energy is being used to keep the HV batteries above freezing so they can accept a charge.

I stayed overnight in Taos, charged outside at -10 F for about 10 hours and only got about 5 kWhr into the batteries... which was barely enough to get up to the ski area which is 20 miles from where I spent the night. Thank GOD there were plenty of (free!) L2 chargers available at the Taos ski area. I charged 9am-3pm while skiing and came back to a 95% charge.

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