You'd be surprised how expensive portable chargers can get, though, which is why they're best bought on sale. We were able to ...

iPhone users have long had the option to get portable power banks directly from ... you can get one of these wireless iPhone chargers on sale for $34.97 (reg. $119). The Speedy Mag Wireless ...

This guide also includes info on what to look for in a battery as well the latest regulations on flying with a power bank. Here are the best portable chargers you can buy right now.

That’s when the best portable chargers can come to the rescue ... Most phones require 5 to 20W for charging, tablets need between 10W to 30W and laptops need between 60W to 100W.