https://www.ipandee.com/mppt-solar-charge-controller-in-highway-project.html MPPT solar charge controller in Highway Project The application of solar energy is one of the main road safety and monitoring equipment, because the road monitoring equipment is usually located far away from the grid or very high position, battery replacement and troubleshooting are facing high operating costs, and solar photovoltaic system set remote monitoring, power failure safety and other deployment has become the best choice.