My understanding is the installation will be $2500 to wire in the charger. My 220 volt welder pulls a LOT of juice. My electric bill SKYROCKETS if I use it much. Wait till they get their first electric bill, LOL.
Remember:
It's ONLY for EIGHT hours!
A night...
If you want to USE it the next day...
Honey; I thought YOU plugged it in!
And the batteries slowly loses power by HOW much a day?
The 40 slowly shrinks to 20 HOW fast?