l can charge your mobile devices via USB without consuming additional energy than light.
Its use is strictly limited to an indoor environment.
The Electree comes clipper modules that come together to form your tree. This method can produce an infinite number of different shapes.
You can shape it according to your desires, but also to optimize the orientation of photovoltaic cells and increase its effectiveness.
This structure is provided with photovoltaic cells 27, for a space of approximately 40 cm.
The energy produced by the panels the day is stored in a battery concealed in the base. Once charged, the battery powers the USB port.
Source: electree.net
