With the phone at different charge levels (20%, 40%, 60%, 80%), Quick boost tests measure the amount of charge the battery receives after being plugged in for 5 minutes. The chart here compares the ...

Discharge and Performance Test A discharge test is that in which the battery delivers a current to a load to determine its ability to meet specific criteria such as duty cycle, service or a determined ...

Discharge and Performance Test A discharge test is that in which the battery delivers a current to a load to determine its ability to meet specific criteria such as duty cycle, service or a determined ...

A good cordless drill makes a big difference in your home improvement projects. Here are our picks for the best.

and the Schumacher BT-100 100 Amp Battery Load Tester. How do you accurately test small battery cells? To accurately test small battery cells, you need to use a battery tester that is designed for ...

That's still pretty impressive, given that the Razr is a foldable device, and those phones have traditionally struggled with battery life. The test numbers we use in the above chart reflect the ...

I and other ZDNET experts went hands-on with several of the top MagSafe battery packs (including every pick on this list), spending time testing for charge speed, function, and other features ...

These results showcase a phone that can easily keep up with heavy daily use, though our expectations for the combination of a 6,000mAh battery and a 3nm processor were a bit higher in some scenarios.

That's why we put every laptop we review to the test and run them through multiple instances of our battery test, which tasks the laptop with endlessly surfing the web via Wi-Fi with its screen ...

In groundbreaking research, scientists have made a structural battery 10 times better than in any previous experiment. What’s a structural battery, and why is it such a big deal? The term refers ...