Just thought that I would share my chagrining station that I use to charge all of my RC plane and drone batteries. I can take this out any where and charge all day. and into the night. uses a deep cycle sealed battery and Zamp solar 80 watt system.
https://www.zampsolar.com/rv-solar-kits/portable-rv-solar/
https://www.batteriesplus.com/battery/sla-sealed-lead-acid/12/slaa12=44c_fr
