battery Battery Design Batteries may not be the heart or brain of a system, but try running the heart or brain without an energy storage (glucose)!
HowTo Dimensioning for the winter Anyone can generate electricity from PV systems in summer. We tell you what you need to pay attention to in order to achieve relevant yields even in winter.
energy Solar yield variability Let there be light! Unless you live above a polar circle, you can count on one thing: Tomorrow is another day.
HowTo PV generator design If you know a lot about PV generator design, your solar power plant can provide electricity even when others have given up long ago.
basics Battery Practicability Time is money. The best battery is of little use if you have to constantly take care of it, or - worse - hire a caretaker.