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If you are looking for smaller off-grid solar power system that would be able to power your laptop and a few lights for example, Goal Zero products are a really good option.
Goal Zero products are a plug and play system and easily transported. Goal Zero have a huge range, from the (Small, Black/Silver) - Goal Zero 19010 Guide 10 Plus Solar Charging Kit that will charge your iphone, ipad and AA batteries, to the Goal Zero YETI 400 Solar Silent Generator 396W 33Ah that will help you power items including a computer, lights, TV, even some medical devices.
Check out this video review: for the Yeti 400 below.