With this cheap DIY kit, you can measure actual battery capacity, how much energy you solar panel or wind mill produces or how much energy your appliances are using.

Do I really need an MPPT charge controller, or is a cheap PWM controller sufficient? And what's the difference anyways?

The idea of being off-grid, creating your own electricity, is appealing. And solar powering your shed is a great place to begin. However, there is one costly mistake you should avoid from the beginning.

There are many popular solar charge controllers from EPEver/EPSolar in the market, but the configuration and monitoring options are limited and complicated out-of-the-box. However, by connecting the charge controller to a PC, you get a lot of options.

The MT50 is a remote meter for EPEver / EPSolar charge controllers and enables easier configuration and the ability to see the charge controller status on more convenient places in e.g. an RV. This guide covers common tasks and configurations, step-by-step.

How do I select the parts for my solar power system that will fit your caravan camper? Here are a few suggestions.

How is the best way to fasten the solar panels to your RV camper? Here is how you do it.

Create your own solar powered chicken coop opener with a timer, a discarded 12v power tool, a 30W solar panel and a few other cheap parts.