These portable chargers and power banks give you the most boost when you're out of juice. I’m a Mobile Analyst at PCMag, which means I cover wireless phones, plans, tablets, ereaders ...
Aside from that, look out for dual USB ports so you can charge ... Scroll on to find the best portable battery packs, power banks and chargers to keep your device going as long as you do.
He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio products, including headphones and speakers. He's also an e-reader and e-publishing expert as well ...