Post, has voltage regulator, photovoltaic panel, and accumulator i.e. battery, that stores voltage, where accumulator plays role of voltage source, during sunset

摘要

The post (3) has an ondular, a voltage regulator, photovoltaic panel (1), and an accumulator (2) i.e. battery, that stores the voltage. The accumulator plays the role of a voltage source, during sunset. A lighting system i.e. lamp (4), is autonomous.