Solid-state batteries barely exist, but the rivalry has already begun; especially between these two Japanese behemoths.

I bought the tiny gadget on a bit of a whim. Over a year later, it's become one of my favorite gadgets and an EDC staple.

Testing showed the new parts can prevent performance-limiting corrosion while also extending the pack's lifespan. Researchers ...

Page last checked: October 2024. We're not able to show every retailer and cheaper prices may be available. All the AA rechargeable batteries we tested are listed in alphabetical order below. Only ...

Lithium-ion (Li-ion) battery technology has historically been the power cell of choice, especially given that we’re always all looking to maximize our smartphone’s battery life. However ...

UC San Diego experts weigh in on each stage of a typical EV battery’s life cycle and share their thoughts on what the future might hold. A fully electric vehicle fleet is globally hailed as a ...

Batteries are a critical component in many modern devices, powering everything from smartphones to electric vehicles. There are many types of batteries that have different requirements when you wish ...

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 ...

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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 ...