| Description of a small system photovoltaic allowing me to light all the summer.
There are approximately six to seven months, it was the summer, I said oneself perhaps that external lighting could be carried out starting from solar energy. Let us make a little the accounts.
I need four things :
The lamps low consumption base E27 11W 12 V (equivalent 60 W) It’s good and you can find everywhere especially at conrad even if the lamps low tension are expensive.