Ask Engadget: How do I keep my electronics from dying when I travel?

Q: I’m traveling soon and plan to bring all the devices I usually use, including my smartphone, tablet and laptop. What should I buy to keep everything charged?

A: If you’re traveling domestically, one large and one small power bank plus a foldable charging station (in addition to your usual cables and wall adapters) should keep your devices reliably powered. If you’re heading to another country, you should also include an outlet adapter. And if you’re flying, there are a few TSA rules you should know about that apply to electronics and external batteries.

How to pick a power bank for travel

Over the past few years, I’ve tested dozens of portable batteries for Engadget’s guide to the best power banks and I’ve brought a bunch with me on planes, trains and interminable automobile rides. My go-to battery right ...