L1f374k3r3 years ago000Is there a way to charge a smartphone or a powerbank (not from Goal Zero) directly with the Boulder 50? Perhaps an adapter from the 8mm port to USB A?Show in original language (German)amadeusf3 years ago • purchased this product000purchased this productAs far as I know, there is no such thing. For your purposes, I use a panel from Xtorm and am very satisfied with it.Xtorm SolarBooster 21W+Rugged PowbankShow in original language (German)Comment