A. If you use your smartphone and camera a lot, you may find from time to time your gadgets run out of power quickly, and it seems always happen when you don't have access to an outlet. What to do?
Get a portable power pack!
These external batteries are about the size of a deck of cards, and they can charge your phone or camera on the go - just plug the device into an available USB port on the backup battery.
When shopping for a portable power pack, the higher the milliamp number (e.g. 10,000 mAh), the more times you can charge your device, but the bigger backup battery will be.
In the holiday season, these portable power packs are usually on sale with big price discounts - as high as 75% off on Amazon.