Connect it and leave it. BLUETTI SP120L PV200D PV350 solar panel is set to keep your solar generators juiced as long as there is sunlight available. Compatible BLUETTI Models: EB3A / EB55 / EB70 / AC2A / AC50B / AC60 / AC70 / AC180 / AC80T/ AC200L / AC200P / AC200MAX / AC300 / AC500 / EP500Pro / B80 / B210 / B230 / B300 / MultiCooler.
eBay