The metal shed of the driving school was scorched by the midday sun. I stared at the oil stain on the ground and heard Coach Li shouting, "Next, Wang Xiulan, come over to test the battery voltage!" ...

Battery Life and Core Influencing Factors The theoretical lifespan of the Roewe RX5 factory battery (including maintenance-free and regular lead-acid types) is 2-3 years, but actual usage can vary ...

I tested the new fast charging speeds on all four new iPhone, including the iPhone 17, iPhone 17 Pro, iPhone 17 Pro Max and iPhone Air. Here's how long each takes to charge, and how it compares to the ...

When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.

ChargerLAB’s iPhone 17 charging test shows that the device maxes out at 28W, confirming consistent performance across Apple’s ...

The website ChargerLAB has tested the standard iPhone 17 model's USB-C charging speeds with a variety of Apple's chargers, from 18W to 140W.

A research team led by Prof. Tan Peng from the University of Science and Technology of China (USTC) of the Chinese Academy of ...

Reviving dead lithium-ion tool batteries is unsafe, damaged cells can trigger leaks, thermal runaway, fires, or explosions.

Metrology is a key component in every process of building an EV battery. For example, material roughness might affect the ...

The Gped 12V and 24V Car Battery Charger normally retails for $50. However, for a limited time, you can purchase one for only $27 at Walmart, which makes it a no-brainer for anyone interested in ...

Vanessa is a lead writer at CNET, reviewing and writing about the latest smartwatches and fitness trackers. She joined the brand first as an on-camera reporter for CNET's Spanish-language site, then ...

Drones, action cameras, pocket-sized gimbal cameras, and mics all have voracious appetites for power. This Baseus power bank will do the job.