Scrolling and streaming suck plenty of power on today's Android phones. Here's how to squeeze the most juice out of your battery, including a new option to monitor battery-hungry apps.

Choosing the right RV battery setup can make or break your time on the road. Whether you’re boondocking in the desert or topping off your devices at a full-hookup campground, your power source needs ...

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

A resistor in the cloud is worth two in the hand.

A water battery with tofu-like salts can withstand 120,000 charges and could last for centuries without degrading.

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

Donut Lab released the results of the second independent test showing that its solid-state battery can handle extreme heat without affecting its performance ...

CATL says its sodium-ion pack can keep charging and delivering power far below freezing. The real test is whether those lab numbers survive real winter driving ...

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

Donut Lab publishes results from its second VTT-backed test, claiming strong performance at extreme temperatures.

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 ...

Independent high-temperature testing suggests the Donut Battery doesn’t just survive extreme heat, it improves efficiency — potentially rewriting the rulebook on EV battery safety and performance.