Thanks to quantum leaps of innovation in cordless power tool technology, quieter battery-powered models are now becoming more competitive with the telltale buzz of a gas-powered chainsaw.

Death comes for us all, even our batteries. If you own a smartphone, you'll notice that the battery's charge diminishes over time and that you need to plug in your phone more often. This issue isn ...

Devices get more energy-efficient as batteries get larger, but battery life is still a concern for most users. Such is the nature of modern tech, but this doesn’t mean we should be plugging in ...

This has been one of the strongest years yet for new entries on our best phone battery life list. The first half of 2024 brought new flagship phones from Samsung and OnePlus, with both nabbing ...

However this power is generated, it is stored in a small battery for later use. Unlike an EV or a PHEV, a hybrid battery is small. How small? On the order of just 1.0 kWh, or less. It is worth ...

However, it is attaching a solar battery bank that gives you real energy independence. Without solar batteries, even a house covered in photovoltaic panels will leave homeowners literally ...

Garmin Body Battery is a feature on Garmin devices that offers insight into your energy and readiness for training. The feature is available on several watches from the company. But is it a useful ...

UPDATE 8/8/24: We have revised the Battery Warranties section of this article to provide up-to-date information about federal warranties. A hybrid car's high-voltage battery is one of its most ...

Cordless string trimmers are quieter and more eco-friendly than their gas-guzzling cousins. We tested today’s top models to find out how they fared. If you need a sturdy tool to trim a lawn’s ...

At first glance, battery stocks don't seem to have much juice in 2023. Check out the Global X Lithium & Battery Tech ETF (ticker: LIT). The popular exchange-traded fund is down 8.3% on a year-to ...

2024 — Scientists have developed a model capable of predicting the cycle lives of high-energy-density lithium-metal batteries by applying machine learning methods to battery performance data.

When you're searching for the best laptops for battery life in your price range, you can't count on manufacturer claims about battery life: you need real data. That's why we put every laptop we ...