What’s going on with Donut Lab?

In January, a Finnish-Estonian startup proclaimed it had developed a truly solid state battery, a holy grail for the technology industry. Donut Labs’ cell wasn’t just solid state, however. It clai [...]

The best power banks and portable chargers for every device in 2025

On a recent work trip, I had plenty of things to worry about — but being able to recharge my two smartphones, laptop and iPad were not among my concerns. In my carry-on luggage, I had two medium-cap [...]

Ask Engadget: How do I keep my electronics from dying when I travel?

Q: I’m traveling soon and plan to bring all the devices I usually use, including my smartphone, tablet and laptop. What should I buy to keep everything charged? <br /> A: If you’re traveling [...]

The best laptop power banks for 2025

There’s nothing worse than trying to get work done offsite and realizing your laptop is nearly dead. OK, there are plenty of worse things, but running out of battery when you’re not near an outlet [...]

How to make your smartphone last longer

Replacing a smartphone every two years is partially why billions of phones go into landfills each year. If stacked flat atop one another, that many handsets would reach farther than the ISS. But we’ [...]

The best MagSafe power banks for your iPhone

One of the first guides I ever worked on for Engadget was about power banks. In the years since, I’ve tested more than 50 portable batteries to keep our top picks as up-to-date as possible. Now that [...]

Rimac introduces its take on solid-state batteries for electric vehicles

Rimac Technology has unveiled a new battery pack platform for electric vehicles that uses only solid-state batteries. The company has been an EV supplier for notable car brands including Aston Martin [...]

Engadget Podcast: iPhone 16e review and Amazon's AI-powered Alexa+

The keyword for the iPhone 16e seems to be "compromise." In this episode, Devindra chats with Cherlynn about her iPhone 16e review and try to figure out who this phone is actually for. Also, [...]

The Swippit Hub keeps your iPhone loaded up with fresh batteries

There's so much AI-powered nonsense at CES that it's kind of refreshing to see a very straightforward, classic gadget like the Swippitt. It's a breadbox-sized hub that contains five bat [...]