We discharge four of each disposable battery, store them, and then check each week for any signs of leakage. The image below shows batteries being put through our leakage test. We regularly revisit ...

A reliable flashlight should stay bright over time, be durable, and have a long battery life. We field-tested 10 flashlights ...

During cold weather snaps, AAA reports that dead batteries are one of the top service calls they receive. According to AAA, a ...

A lot of automakers are in the race to bring out a solid-state battery, and Mercedes has put itself in the driver's seat.

Croatia will deploy an artillery howitzer battery to Lithuania as part of a German-led NATO multinational battle group, with the unit expected to arrive in early 2026 at the latest, Lithuanian ...

The race for the “holy grail” of EV batteries is heating up. Mercedes-Benz is now testing EVs with solid-state ...

Our evaluation included extensive discharge tests to find long-lasting alkaline batteries -- including AA, AAA, C, D and 9-volt options. We also considered the cost per battery for each option to ...

That is a very valid point. However, while this is indeed a one-off test of the battery life of the Pixel 9, Galaxy S25, and iPhone 16, Aboagye has seen similar results from the Pixel 9 in the past.

After we posted our Realme 14 Pro+ review, a few of the review commenters got riled up because the battery test results were lower than expected. We already knew the numbers were suspiciously low ...

One of the most important and objective tests we conduct is a standardized battery test. We're proud of our battery test, which we've developed to simulate a typical daily usage pattern for most ...

You can also check the status of the Charging optimization setting from the Battery health page. This feature allows your ...