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[oil pan 4]

It had a 4 prong nema 14-50 plug on the input power cord with the wires pulling out of the back.
I swapped the 14-50 range plug for a 3 prong nema 10-30 dryer plug.
All my dryer, plasma cutter and air compressor plugs are nema 10-30 and my welder uses 3 prong 10-50.

This charger requires 2 hots and a ground.

It charges up to 90% and turns off.

[oil pan 4]

I really like this thing. I am able to keep the batter up on heavy use days.
Used to be on a busy day I wouldrive up to 100 miles, plug the car in with a very low battery and it would have to charge a good portion of the night.
Now I can drive up to 120 miles in a day, the battery will still have some charge left and have it charged back to 90% usually in around an hour.
Or only about 2 hours if the battery is really low.
The charger power peaks at 8.1kw as it approaches 90%.
If the battery voltage is really low, 360 volts, or 20% SOC it's only hitting about 7kw. Because the charger output is limited to 20 amps.

[oil pan 4]

The ultimate power.
Single phase, 208-277v input, 25kw output.
It only needs about 100 amps on 240v power, 2 gauge copper lines would do.

https://www.boschevsolutions.com/cha...s?sku=EL-52240
But it's CSS, not chademo.

[Piotrsko]

I want to see you use this on one of your summer days.

[oil pan 4]

If the battery is hot I'm just going to let it sit.
I had 5 days last sumer where it was too hot to charge IMO.
Then I drove the gasoline powered car.
I'm not that worried about it.
20 amps is less than 1/3C that's almost nothing to these batteries.

Winter kills range but I can drive, charge, drive, charge it as much as I want.
Summer I get way more range but I have to watch battery temp.

[oil pan 4]

I want more.
Going to keep a look out for a 12 or 20kw single phase chademo.
The 10kw chademo I have is kind of obsolete since it charges the leaf at 7 and then 8kw as the pack voltage rises and all the newer cars charge at a rate of at least 6.6kw.
Thats probably why I got it so cheap.
Current and soon to be produced cars are doing 7 to 12kw.
By 2020 most manufacturers should have up to around 18kw built in home charge option.

The 12kw home chademo has a max output of 25 amps so that would charge the leaf at 9 to 10kw.
The 20kw would charge it at 14 to 16kw.

I'm already set for a massive evse. My miller model 250 "welding circuit" is on a 125 amp breaker with 4 gauge wire.
To make it legal for other uses all I would need to do is down size that breaker to an 90 amp.

[oil pan 4]

It's been cold lately, enout to bring the pack temp dow to 3 bars so it would only charge at 12 amps, or about 4.7kw.

[dremd]

Originally Posted by oil pan 4

It's been cold lately, enout to bring the pack temp dow to 3 bars so it would only charge at 12 amps, or about 4.7kw.

How cold are your outside temps? My 2013 Leaf would charge at 6.6 with onboard charger at 3 battery temp bars and outside temps in the teens. The 2012 Leaf I really don't pay attention to charge speeds since I'm not the primary driver




Super cool project, I never expected to see off board chargers for residential EV charging.

I do understand the need for charge speed now that I daily the Dual charger (20KW onboard) Model S, but for whatever reason the 6.6 in my Leaf always seemed like plenty.

[oil pan 4]

I had not driven the leaf for 2 days at that point and left the battery about 40% charged.
It was below freezing during the day and single F at night and it was not in the garage.
Had I been driving, charging and leaving it in the garage it would have been fine and charged at the normal near 8kw rate.

[oil pan 4]

I tried to use my chademo today and it would not interface with the car.
Problem is probably in the plug, at least that's where I will start.