If your iPhone battery gets low, it's great to have a backup. Check out the best power banks, as tested by our CNET tech experts. Executive Editor David Carnoy has been a leading member of CNET's ...

While the ROG Phone 9 Pro made a big lead ahead ... The OnePlus 12 gives way to the OnePlus 13, not only as the latest flagship phone from the phone maker but also in terms of battery life.

Jan. 27, 2025 — Lithium-air batteries have the potential to outstrip conventional lithium-ion batteries by storing significantly more energy at the same weight. However, their high-performance ...