As of 2015, the best solar-powered generators on the market include the Goal Zero Yeti series and the Wagan EL2546 Solar E Cube 1500. These generators are portable and ideal for both outdoor use and for emergency backup power.
There are three generators in the Goal Zero Yeti series: the Yeti 150, Yeti 400 and Yeti 1250. All three models have standalone solar panels and has 12V, AC and USB power outputs. The Yeti 150 weighs 12 pounds and is ideal for powering laptops, cameras and lights. The Yeti 150 is also the cheapest of the three Yeti models.
One step up in the series, the Yeti 400 weighs 29 pounds and is able to power laptops and televisions. Finally, the sturdy Yeti 1250 weighs 103 pounds and can be used to power a mini fridge or television. The Yeti 1250 is the highest-end model of the series and is the most reliable model for backup and emergency power.
The Wagan EL2546 Solar E Cube 1500 uses integrated solar panels and is comparable to the Goal Zero Yeti 1250. Weighing 101 pounds, it comes with 12V, AC and USB power outputs and can power devices including a television and microwave.