https://www.altestore.com/store/solar-power-systems/battery-backup-solar-power-systems-c4446/
***Ahora con subtítulos en Español!***
Grid-tied solar is designed to turn off when the grid goes out. We discuss options for adding battery backup to your existing grid-tie solar system. Two choices are AC and DC Coupling. We cover the equipment needed and the pros and cons of each option.
