Yet the economics offer a more complicated story. CATL’s energy storage revenue increased just 9 per cent in 2025, implying that revenue per unit of storage fell about 15 per cent. Blame an abundance of supply.

This is a crucial issue that goes beyond the US and even beyond batteries. China is miles ahead of much of the rest of the world on technologies like solar panels and batteries. Through years of government support and experience with research and manufacturing, the nation is an energy powerhouse.

How long a laptop's battery will last on a single charge depends on how it's used, environmental conditions, battery age, and other factors.

Apple's iPhone 17 lineup, particularly the iPhone 17 Pro Max, feature some of the best battery life we've tested.

CHIBA, Japan, Sept 9 (Reuters) - Panasonic Energy has developed a solid-state battery that can run at temperatures of up to 150 degrees Celsius (302 degrees Fahrenheit) and will begin sample shipments in October to December,

Global battery storage capacity surged 66% in 2025, with China controlling nearly half the market as electricity demand and grid flexibility needs accelerate.

A handful of aging cells can shorten the life of an electric vehicle battery

The Watch Ultra 4 isn't a major redesign, but does come with some notable improvements.

BLUETTI's IFA 2026 lineup includes a battery-powered generator for construction sites, a balcony solar storage system, and new compact power stations.

ZincFive has launched a new battery management system (BMS) designed specifically for its nickel-zinc