Hello Kersvol. If the sun is shining with a cloudless sky (no veil clouds either) and there are a few hours, the following power banks can be charged with two solar panels (40W) hung together:
- Goal Zero Sherpa 100PD (via USB-C)
- Goal Zero Sherpa 100AC (via USB-C or 8mm connector)
- Xtorm Power bank Titan (via USB-C)
Information on approximate charging times can be found at Goal Zero
https://www.goalzero.com/products....
