In the past few years, we have covered a whole host of awesome solar iPhone chargers here. The HANERGY 8W Solar Messenger Bag is also worth a look. It not only allows you to carry your laptop, tablet, and notes but also can charge your smartphone, tablet, GPS, speakers, cameras, and everything in between thanks to its high efficiency USA MiaSole solar cells.
The bag comes with multiple compartments with separate space for your laptop, books, bottle, and everything in between. It is waterproof too. The solar charger has a voltage stability controller to recharge your devices safely.[where to get it]