For those interested in solar photovoltaic, solar thermal, solar hydroelectric, wind, and the battery systems that support solar related energy such as hydrogen fuel cells, lithium, graphite, lead acid, and all others.
Chatroom Forum help.
Discord Server for Nature, Animals and Robert Marc Lehmann - Mission Erde "Die Welt ist es wert, um sie zu kämpfen" by RTP. Telegram Channel http://pixly.me/MissionErdeTelegram