It won’t disappoint.
Portable battery packs come in handy when you’re traveling or when you need to ensure your phone’s battery stays powered through a concert. But for long weekends away from an outlet—say, a camping trip—or as an emergency power source, most battery packs are not going to last long enough.
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https://www.pcworld.com/article/3528754/goal-zero-yeti-200x-power-station-review.html
