Stromtank is the most advanced system I've seen. It is a giant battery with a very precise regegenerator.
I've heard it but only in a system, not demoed with an without. There are some reviews and they all seem to be very positive. So it is just a matter of the price, I think one model goes for $30k!
https://stromtank.com/
I've heard it but only in a system, not demoed with an without. There are some reviews and they all seem to be very positive. So it is just a matter of the price, I think one model goes for $30k!
https://stromtank.com/