In recent decades the demands of higher speed and lower power have given us successive families of lower voltage devices, and we will now commonly also encounter 3.3V or even sometimes lower ...

Car battery shopping has to be one of the least exciting parts about owning a car. Usually, it comes after several attempts at starting the vehicle, or after you had to call AAA to jump a dead ...

Because it requires no extra batteries, it offers a much more affordable way to produce drinking ...

A charged battery is a happy battery. Keeping your car’s battery properly charged is essential to long life and reliability. When you drive, your car’s charging system keeps your battery ...

Alkaline batteries are more affordable than lithium batteries and great for use around your house. Here are CNET's picks of the best alkaline batteries. Laboratory Technical Project Manager ...

Faith is a writer whose work has been featured in EcoWatch and Today’s Homeowner. She holds economics and English degrees from the University of North Carolina at Chapel Hill and likes to ...

What is the best solar battery overall? We've evaluated many solar batteries over the course of the year, and the Bluetti EP900 Home Battery Backup is CNET's pick for the best solar battery ...

Rechargeable lithium-ion batteries don’t last forever. Over time, they hold onto less charge, eventually transforming from power sources to bricks. One reason: hidden, leaky hydrogen ...

I’m one of the consumer PC experts at PCMag, with a particular love for PC gaming. I've played games on my computer for as long as I can remember, which eventually (as it does for many) led me ...

Most of us — casual users and enthusiasts alike — are forever searching for smartphones with the longest battery life. And while fast charging keeps us topped up every day, the absence of ...

Is your phone, tablet, or laptop typically in the battery red zone before the day's end? These portable chargers and power banks give you the most boost when you're out of juice. I’m a Mobile ...

The “holy grail” of EV battery tech may arrive sooner than expected, promising more range and faster charging. According to BYD head scientist and engineer Lian Yubo, solid-state EV batteries ...