RavPower products are on sale today at Amazon, including this 20,000mAh portable charger for $26.
This is one of the lowest prices we've seen for this 10,400 mAh model.
Today you can get a whole bunch of disposable AA batteries on the cheap.
Phone Arena benchmarked the battery in the Galaxy S8+ and found that it got 8 hours, better than any other Android phone and even besting the iPhone 7. But Samsung's default settings limit the display's full potential.
A pair of UT Austin researchers, including the co-inventor of the lithium-ion battery, have developed a solid-state battery that can store more energy and is said to be safer than the batteries used in today's phones and tablets.
Most reviewers said the MacBook Pro's battery life was great. Many users said the MacBook Pro's battery life was terrible, and Consumer Reports agreed until it changed its mind. Who's right? We ran a bunch of benchmarks to find out.
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