I have only had the new procedure about 18 months now so not a great deal of knowledge to go on but with that limited details I see: Combined with rooftop solar panels for charging as well as the battery to perhaps feed again in the evening, or in emergencies, https://solar-company-in-sriganga88530.atualblog.com/41217246/5-tips-about-solar-company-you-can-use-today