The Jackery is a portable power pack that has a wide range of outputs and is very easy to use. If you’re in need of extra power, this device can easily meet your needs. Unlike gas generators, the Jackery requires just the sun’s energy to run. The downside to the Jackery is the high price tag. However, the benefits far outweigh the negatives. It’s also very easy to transport, so you can take it anywhere you need power.