Found in Apple AirTags, the CR2032 button cell battery, also known as a coin battery, is actually surprisingly easy to test ...

A lot of making goes on in this community these days, but sometimes you’ve just gotta do some old fashioned hacking. You might have grabbed an old Speak and Spell that you want to repurpose ...

The defining feature of a multimeter is that it requires the user to select the function and range required for testing through a rotary switch or buttons. Contrastingly, GS38 emphasises that test ...

Rechargeable batteries are everywhere—from portable electronic devices and electric vehicles to renewable energy storage.

Did the Bluetti Pioneer Na keep working in the freezing cold when most batteries would give up? I tested it to find out.

Lithium-ion batteries with liquid electrolytes are more susceptible to extreme heat. If a liquid battery gets too hot, the liquid can vaporize and catch fire — a process called thermal runaway. And at ...

VTT's second independent test shows Donut Lab's solid-state cell delivered 110% capacity at 80°C and survived 100°C discharge ...

Donut Lab solid-state battery retest by Finland’s VTT shows capacity rising to 110% at 80C, but weight data is still missing.

When the modern electric vehicle was still in its infancy, drivers worried that vehicles would need expensive battery replacements within a few years. But battery lifespans are exceeding expectations.

The Donut Lab solid-state battery was heated to the boiling point of water. Here’s what happened next.

EMR Series flowmeters have been engineered to provide accurate interference-free flow measurement in environments affected by ...