We aim to give you a view into how each laptop could actually fit into your life and workflow, and the pros and cons of their various features like performance, display, and battery life.

If your car battery is playing up, a quick fix is a quality battery charger, but the time may have come for a new battery. Without a battery, your car is, quite literally, a non-starter. Turn the ...

Yoko Kubota is The Wall Street Journal's deputy bureau chief in Beijing, responsible for business news coverage in China including the technology, autos and consumer sectors. She oversees a team ...

Rechargeable batteries, which can be used again and again through top-ups from the mains-connected charger, are an investment – the best will last for hundreds of hours of use. They have several ...

Batteries always seem to die at the worst possible moment—like your calculator batteries right before a math exam, your remote control batteries at the start of a great movie, or your flashlight ...

Everyone is talking about China’s EV price war, but competition in the battery market is intensifying. BYD is the world’s second-largest EV battery maker behind CATL, but its new tech could he ...

The ‘C’ value given for the charging and discharging rate is an indicator of the ratio of battery size to charging and discharging capacity. At 1C, an 80 kWh battery can be charged with a maximum of ...

Existing EV batteries may last up to 40% longer than expected Date: December 9, 2024 Source: Stanford University Summary: Consumers' real-world stop-and-go driving of electric vehicles benefits ...

Many consider a vehicle’s engine to be its beating heart. But without a working car battery, you’re not going anywhere. Once your motor begins to crank slowly, it’s time to get your hands on ...

Demanding activities like gaming, watching videos, and snapping photos leave many of us glancing nervously at our battery indicators throughout the day and wondering when we should find the ...

In our quest to find the best alkaline batteries on the market, we tested several models and brands. Our evaluation included extensive discharge tests to find long-lasting alkaline batteries ...

You’ve probably heard about giant lithium-ion batteries stockpiling that energy for later use. But when providing backup power, even a big battery bank will usually drain in four hours.