Nicholas Murray]’s Composite Test Pattern Generator is a beautifully-made, palm-sized tool that uses an ESP32-based ...

Every car battery is some amount of time away from failing, so the only thing for anyone with a car, motorcycle, truck, RV, ATV, boat, or other 12V battery-dependent vehicle can do is to make their ...

Exclusive: The OnePlus 15 has the largest battery capacity of any phone sold in the US. And it's all because of silicon. Patrick Holland has been a phone reviewer for CNET since 2016. He is a former ...

While car batteries die more quickly in hot weather, keeping on top of things during the winter is still essential. Here's why: Cold temperatures reduce a battery's cranking power. A battery that's ...

A new battery test has crowned the OnePlus 15 as the endurance champ of 2025, outlasting both the iPhone 17 Pro Max and Xiaomi 17 Pro Max. YouTuber TechDroider ran all three phones through a 13-hour ...

When it comes to battery longevity, it appears that brand matters. A recent study published by Germany’s ADAC revealed tangible, real-world differences in how the high-voltage batteries in PHEVs age ...

HTX Studio this week shared the results from a six-month battery test that compared how fast charging and slow charging can affect battery life over time. Using six iPhone 12 models, the channel set ...

The iPhone Air isn't selling as well as the three iPhone 17 models, which are still sold out in various markets, but there's no question the handset is a head-turner. While the ultra-thin profile and ...

“This battery monitor reports to my phone as soon as I get into Bluetooth range.” The Ancel 12V Car Battery Tester is $24, $16 off its $40 list price. That’s a sizable discount on a device that could ...

Battery life remains a critical factor for smartphone users, directly influencing how devices are evaluated in terms of usability and overall performance. To better understand how modern smartphones ...

In brief: The slim design of the iPhone Air may appeal to some users, but many worry it could come at the cost of battery life. Several YouTubers and tech publications have tested the new device to ...

The new iPhones Apple unveiled last week offer improved battery life, at least according to official estimates. Better battery life is something buyers expect from each new iPhone generation.