Xiaomi Watch S5 smartwatch has launched. This has an AMOLED display, 5ATM water-resistance rating, eSIM support, and an 815mAh battery.

Lithium iron’s shelf life makes it worth investing in when shopping for a portable power station.

A new leak shows the OnePlus Watch 4 doubling down on durability while keeping its strong battery life and familiar specs.

There are two new developments in Apple’s ongoing legal battle with health technology company Masimo over the Apple Watch’s ...

The Whoop 5.0 has several medical-minded tools, like ECG and blood pressure monitoring. Here's how I actually used them.

Do you have an old car sitting around the house and no clue what to do with it? There are some unique DIY projects that can ...

The Arduino is a great way for hobbyists and pros alike to experiment with programmable objects, but it can be confusing for beginners without these tools.

0-60 Tesla SPEED Test with *VERY* LOW BATTERY! Last week many of you told us that the Tesla Model 3's performance is strongly impacted by how much battery/charge the Tesla has. So today we're doing ...

Finnish startup Donut Lab is pushing back against industry skepticism by releasing new independent test data showing its solid-state battery performs unusually well in extreme heat. The results follow ...

The Finnish startup’s battery not only survived extreme heat conditions, it actually gained capacity. The Finnish startup’s battery not only survived extreme heat conditions, it actually gained ...

Donut Lab has released a second set of independent test results for its controversial solid-state battery — this time proving the cell can discharge at extreme temperatures up to 100°C and actually ...