Small Photovoltaic Off-Grid System

These are some pictures of my small off-grid photovoltaic system at home.

It is just a 50W module standing on the roof, with a 30A charger, 3 x 7.2Ah 12V Batteries and a 150W AC-Converter.

The charger is much bigger than necessary, but it was there, so why not use it? ;)

 

At the moment I power my Raspi on a bitcoin mining experiment with it.

Although it is and was cloudy, it was up and running for the past 9 days without a problem.

In the past 2 months before, i used it to charge my cellphone and power my notebook at day, which worked just fine.

 

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