I used it to run a full-size refrigerator for more than 10 hours.

Lithium-ion batteries power many of the rechargeable devices we use every day. These batteries don’t belong in the trash or recycling. They can spark dangerous fires at facilities and in trucks.

We tested the best portable jump starters from Noco, CTEK, and Battery Tender to find out which models can get your car running when its battery taps out.

A new leak suggests Chinese Android OEMs (likely Xiaomi) are looking to adopt Apple’s rigid, steel-cased battery design to replace traditional soft-pouch batteries. Android brands are looking to ...

India's Ministry of Textiles is creating "INDIAsize," a national apparel sizing framework. Based on 3D body scans of 26,000+ Indians, this initiative aims to establish India-specific garment sizes, ...

A car battery can look good on the shelf and still disappoint when cold weather puts it under real pressure. This comparison tests Walmart EverStart batteries against competing Super Start models for ...

iPhone 18 Pro and iPhone 18 Pro Max teardown results are in, and they settle a few of the rumors we followed all year. iFixit confirmed the leaked battery sizes down to the last mAh, but getting to ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. China's 3C certification has confirmed the Galaxy S27 Ultra battery at a rated 5,534mAh — ...

I’m PCMag’s Managing Editor for Consumer Electronics content, overseeing an experienced team of reviewers and product testers. I’ve been covering tech for more than 25 years. Prior to PCMag, I worked ...

There are three big upgrades for the iPhone 18 Pro Max this year: the variable aperture camera system, the new A20 Pro chipset and the battery life. And if you ask me, the battery life is what I'm ...