Our solution is Himalaya tested: Energybar 100 portable battery pack plus 3, 39 Watt Solar Panel Duo Flex Kit, and the i1-150 inverter.
The system also allows you to use an inverter and obtain 110v to charge your laptop or Thuraya IP+.
The three connected panels will charge your energy bar in 4-6 hours. We confirmed this in Nepal!
The Energy Bar 100 can be charged with solar (4-6h), AC adapter (4h) and DC adapter (2h) and has a 100Wh capacity.