Questions and Answers Petra Energia/Questions and Answers How long does a solar street lamp stay lit?It depends on the particular model, other parameters, but our street lamps have an autonomy of 3 to 7 days. What to look for when choosing a solar lamp?When deciding to install a solar lamp, it is important to pay attention to several key issues:The solar lamp should be mounted in a place without artificial lighting (to avoidlamps should be placed at a suitable distance from each other so as not to interfere with each other’s workIt is worth looking carefully at the technical specifications or enlist the advice of a specialist.