We test and review what we think is the best car battery tester, plus other options at different price points at AutoGuide.com.

If you’re dealing with what appears to be poor battery life on the Nintendo Switch 2, the company has a support document with steps you can try to fix it.

Discover the 2025 smartphone battery test results! Galaxy S25 Edge, iPhone 16 Pro Max, and Vivo X200 Pro go head-to-head in performance.

The best battery tester for small batteries should be easy to use, accurate, and portable. Accuracy is key when it comes to battery testers.

OnePlus 13T outperforms the rest in battery life Four of the six devices in the test are powered by the Snapdragon 8 Elite chip. The iPhone and Pixel run on the A18 Pro and Tensor G4, respectively.

Google's budget Pixel 9a boats a colossal 5,100mAh battery, but does it really improve battery life as much as hoped?

Most battery testers are also compatible with a wide range of household batteries, including AA, AAA, C, D, 9V, and even button batteries. So, if you use multiple types in your home devices, you ...

The iPhone 16 Pro Max narrowly defeated the Galaxy S25 Ultra in a real-life battery test, as the latter outperforms the S24 Ultra.

According to the SNS Insider, “The Nickel Metal Hydride (NiMH) Battery Market Size was valued at USD 2.84 billion in 2023 and is expected to grow to USD 4.07 billion by 2032 and grow at a CAGR ...

A new battery life test that replicates real-life use shows that the iPhone 16 Pro Max outlives the Galaxy S24 Ultra.

iPhone 16 battery life results are here, and some of these scores are so good that we can't believe they're actually real.

See our top picks for the best rechargeable batteries for 2021. Compare AA, AAA, D, 9V, 12V, and more to find the best rechargeable battery for your needs.