The best cordless trimmer helps maintain a manicured yard. We put the top battery trimmers to the test to see which does the best work.

Given the wide array of products, brands and knock-offs on Amazon, you'll want to know exactly what power tools are worth ...

Sample sizes: Black & Decker (corded): 51 ... These are some of the most common leaf blower faults and how to avoid/fix them: Battery won't hold its charge (cordless models only) Lithium-ion batteries ...

We've long relied on lithium-ion batteries for long-term energy storage, but they can be expensive to produce and maintain ...

At current market reference prices of approximately $10,400 per tonne for battery-quality lithium carbonate, the realized price is about $8,300 per tonne, reflecting the additional costs for ...

The discovery uses tiny micro batteries to break down the lithium, nickel, cobalt and manganese from a battery, before using an amino acid to extract the metals. The use of glycine as the amino ...

The best black and white printers, also known as mono printers, can achieve the same high-quality output as their color counterparts while being cheaper to buy and run. With just one black ...

The EV battery maker Northvolt filed for bankruptcy on Wednesday. The Swedish company, founded by two ex-Tesla executives, struggled amid stuttering demand for EVs. It was widely seen as Europe's ...

But just as the world has moved on to renewable and sustainable sources of energy like wind and solar, similar breakthroughs in lithium-ion battery alternatives have also emerged in recent years.