Is your phone, tablet, or laptop typically in the battery red zone before the day's end? These portable chargers and power banks give you the most boost when you're out of juice. PCMag PCMag.com ...

The screen, and the nifty clip attached, makes it the perfect portable ... charger. A small digital screen shows your battery life and power usage. Like the Baseus, the Anker power bank has ...

Power banks are big rechargeable batteries with built-in USB ports, and their flexibility and portability make them one of the most useful accessories you can carry for keeping your devices topped up.

Watching your phone or tablet steadily run out of power when you're nowhere near an outlet is stressful. But there's an easy solution: a portable battery or power bank. These are available in many ...

(Wall charger is ... the presence of a portable power bank, and it’s wise to have one handy in case of power outages. Amazon’s taken $50 off (-25%) the price of the Anker SOLIX C300 for ...

Some power banks ... on Qi chargers (7.5W) and Qi2 chargers (15W). Some battery makers have built Qi or MagSafe-compatible wireless charging into the surfaces of their portable batteries.