While early reviews showed positive results, a weeklong CNET iPhone Air battery test has reviewed the phone more thoroughly ...

Discover how the Oppo Find X9 Pro’s 7,500mAh battery redefines smartphone endurance, outperforming the iPhone 17 Pro Max and ...

CNET senior technology reporter Abrar Al-Heeti highlights that the iPhone Air she reviewed regularly ends the day with about 20% to spare (after starting with a full battery). She said it would drop ...

A solid battery score. We've completed our battery life and charging tests on the Xiaomi 17 Pro Max and the result are pretty ...

Need a long-lasting laptop? Here are the longest battery life laptops we've seen in our many years of hands-on testing.

A recent battery drain test compared the performance of 10 flagship smartphones, including the Galaxy S25 Edge, iPhone 16 Pro Max, Vivo X200 Pro, and others. This test provided valuable insights into ...

Having a battery backup feels like you’re prepared for anything—until the lights go out and you realize it’s not actually ...

This 10-second headlight test reveals battery health by checking if lights dim during startup, helping predict failures before you get stranded.