EMEC) has completed what it says is the first demonstration of a fully integrated tidal power, battery storage and hydrogen ...

For years, people have warned that fast charging ruins your phone’s battery over time. A recent long-term test from YouTube channel HTX Studio set out to find out if that’s really true — and the ...

YouTube channel HTX Studio conducted a massive smartphone battery charging experiment that involved buying 40 phones and spending two years conducting battery charging experiments using fast and slow ...

A new battery test has crowned the OnePlus 15 as the endurance champ of 2025, outlasting both the iPhone 17 Pro Max and Xiaomi 17 Pro Max. YouTuber TechDroider ran all three phones through a 13-hour ...

A concrete sphere project off the coast of California, StEnSea style storage, acts as an underwater battery for renewable ...

The Askmuse Car Battery Tester is on sale for $20, 46% less than the $37 it’ll normally run you. It’s a simple device, a handheld unit with a few buttons and a screen attached to a pair of testing ...

Hydrohertz has launched what it claims is a world-first breakthrough in electric vehicle (EV) battery thermal management — a compact, intelligent valve system that could cut fast-charging times by ...

ADAC study of 28,500 PHEVs shows major brand differences in battery aging rates. Mercedes packs age slowly; Mitsubishi’s degrade faster, even at low mileage. It recommends always doing a battery ...

Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. Patrick Holland has been a phone ...