I made this amazing battery pack using 18650 cells, performing about 3X better than a LiPo battery of roughly the same weight ...

While only 12 of the 203 reviews award the MM420 fewer than 4 stars, there are some issues worth noting. The most common ...

Naturally, the iPhone 17 Pro Max proved to be the best of the bunch, thanks to its super-sized new battery, while the ...

A new diagnostic metric combines charge data and environmental factors like traffic patterns, elevation changes, and ambient ...

Android keeps working with the original assumption that the phone’s battery capacity is 5000 mAh, even when it has degraded ...

This stylish PDA/phone combo device is the first GSM smartphone to feature Microsoft's PocketPC 2002 Phone Edition OS. Full PDA features are tightly integrated with phone functions. Key features ...

The successor to the ground-breaking GD55 mini-phone. The G50 remains one of the smallest phones in the world, and steps up to a 4096-color display and 40-chord polyphonic ringtones. This phone is not ...

Button cell battery ingestion causes thousands of injuries and along with a number of deaths each year in the US. Here's the only brand you should buy now - and why.