The Apple Watch Ultra 4 gets more battery life than Apple promises, plus two workout modes that stretch it even further. Here ...

The Apple Watch Ultra 4 beat Apple’s battery claims in our testing, but it’s not the only Apple Watch getting a boost. I put ...

Enovix secured a 100,000-unit drone battery order from a dual-use drone maker, with shipments starting in 2027, as its $216 ...

Battery test results can disagree. See how voltage, ohmic, temperature, and capacity measurements fit together to diagnose ...

Phone 18 Pro Max lasted 7h 50m and charged just 58 seconds behind Pixel. Compare S26 Ultra battery life, wired charging times ...

You depend on your car not to leave you stranded, so don’t leave your car to die. We put three of the best car battery chargers and maintainers to the test to find the best.

ATS is developing a battery testing laboratory at Talegaon, Pune, with an initial proposed investment of ₹60 crore to offer ...

We tested the best portable jump starters from Noco, CTEK, and Battery Tender to find out which models can get your car running when its battery taps out.

"Let them do a proper SoH check, not just a flash check." ...

The vivo X500 Pro Max wins our flagship battery test, lasting 12 hours and 30 minutes. See how the iPhone 18 Pro Max and Galaxy S26 Ultra compare.

Buying a premium smartphone around Rs 60,000 calls for thorough comparison to find the right balance of camera quality, ...

The average American owns 11 products powered by lithium batteries. Most people use one every day, but few were taught how to properly charge, store or dispose of them safely. To close that gap, Cirba ...