SAN FRANCISCO -- During an emergency, it's important to keep your cellphone handy and charged. In the event the power goes out, it's going to be even more difficult to find a place to plug back in and ...

CATL is the world's largest battery maker. Its founder and chief, Robin Zang, blasted Tesla CEO Elon Musk for his bet on the 4680-type cylindrical cell. CATL supplies cells to Tesla's Shanghai ...

The 4680 battery was supposed to make EVs cheaper and better, but so far has proven to be more problematic than promising. According to Gizmodo, back in 2020, Musk boasted that the in-house designed ...

Repeated exposure to extreme heat reduces hybrid battery life. Frequent Level 3 DC fast charging shortens the life expectancy of a plug-in hybrid battery. Habitual charging to 100% affects a plug-in ...

The iPhone’s battery features are getting an upgrade in iOS 26. For years now, Android phones have prominently featured how long charging to full will take you. The info is available on the Lock ...