Is there a PV storage solution between lead-acid and lithium ion?

Solar-plus-storage is not a new concept — folks have been going off-grid with some PV and a few batteries since the ‘70s. But the concept is trending to the point where many say it is the future of distributed energy and the grid. So, solar-plus-storage is both the past and … Continue reading Is there a PV storage solution between lead-acid and lithium ion?