A battery tester can serve this exact purpose. Battery testers come in various shapes and sizes and can be used for different types of batteries. However, when it comes to small batteries ...

The new MacBook Pro 16-inch M4 Pro has the longest battery life of any consumer-grade laptop we've tested. Here's how long it ...

Li-Ion King: New Ford Test for Hybrid Vehicle Batteries Simulates 10 Years of Use in 10 Months' Time • New Ford battery life validation protocol draws on two decades of electrified vehicle field ...

We believe that using the default setting is the best way to get comparable results, but since we also test at different refresh rate settings to see what impact that can have on battery life ...

This kind of battery performance doesn’t come out of nowhere. The Asus ROG Phone 9 Pro has an enormous battery, rated at ...

Qualcomm touts big performance gains for the Snapdragon 8 Elite, but vastly improved energy efficiency is the real reason to ...

M3 MacBook Pro 14-inch battery life test. Image source: Tom’s Guide Luckily for me, I know the folks at Tom’s Guide perform the same battery life test on any laptop, regardless of operating ...

If you were thinking about buying an iPhone 16 Pro Max for its battery life, you might want to take a look at the Xiaomi 15 ...

Qualcomm's new Snapdragon 8 Elite seems to be able to deliver major battery life improvements for Android phones equipped ...

We have tested battery life using the Geekbench 4 battery life test going all the way back to the iPhone 8 and iPhone X. We ...