In the same way that standard solar energy is efficient, solar LED lights are extremely efficient. Solar LED lights can also be used to power batteries and are completely off-grid. Photovoltaic cells are the ones responsible for absorbing sunlight during daytime. These cells convert solar energy to usable electricity that can be used to power the lamps at night. This process can be repeated daily, and it can provide a reliable source of energy for streetlights that are lit by the sun.

Photovoltaic technology is used to convert sunlight into electrical energy. Solar LED street lights are powered by solar photovoltaic. Sunlight is converted by negatively-charged electrons pushing solar energy into positively charged spaces within the cells. This allows sunlight to be converted into electrons, resulting in direct current electricity. The solar cell wires are connected to the battery in order to receive the direct current electricity generated by the sun.

The conversion process will be stopped when darkness falls. When there isn't enough sunlight, photoreceptors can shut down the solar cell. The battery will then start providing power via wiring to the solar LED street light. This makes them great for places with limited power. A solar LED streetlight is portable and eco-friendly, making them an ideal replacement for traditional streetlights and an option for those with limited or no access to electricity.