That's what portable chargers are for. The good news is that we found one at a great price. For a limited time, you can find ...

The second-fastest way to charge your iPhone is with Apple's MagSafe charger and a 20-watt power adapter, but for this to ...

Say hello to the Anker Portable Charger. This PowerCore Slim 10,000mAh Battery Pack will do high-speed PowerIQ charging for iPhone, Android, Samsung Galaxy and tablets. When I see 77,000+ positive ...

The Prelude wireless charger has a 5,000-mAh battery that can output at 15 W, and works with recent iPhones, Samsung Galaxies and other phones from LG, Sony and BlackBerry ...

Belkin Power Bank, BoostCharge USB-C Portable Charger: This charger’s design made it very portable and easy to bring along in any bag or pocket, and the battery life span is 35 hours.

“It is possible to prolong the battery life by not completely charging and not completely discharging,” Mr. de Vries said. “So we’ll say stay between 20 percent and 80 percent or so.” ...

It’s equipped with its own 2,200 mAh battery, so it's able to store power when your phone isn’t connected to it, which is good because it only outputs 5 watts, meaning it may take an overnight ...

Many cordless phones also work during power outages and other emergencies that prevent you from charging your cell phone. The best cordless phone for you depends on several factors, including the ...