Here is an off-grid solar lighting system that gets you unstuck during power outages and emergencies. The BioLite SolarHome 620 comes with a 6-watt solar panel, control box, and 3 string lights with individual switches.
The control box has a 20-watt per hour rechargeable battery. You also get 2 USB charging ports and a digital display that shows how much power you have left. The speaker has a SD card reader to play your music.