Kuxiu still sells the more portable 5,000mAh S2, which is currently available for $49.99. The bigger S3 currently lists for ...

Supercapacitors have long promised electric vehicles that refill in minutes, grids that shrug off sudden surges, and gadgets ...

Germany has connected the world’s first supercapacitor-based STATCOM to the grid, with Siemens Energy and transmission system operator TenneT positioning it as a blueprint to replace fossil-fuel ...

Explore the best inventions of 2025 that boost safety, simplify life, and preview the bold tech trends likely to shape your ...

Wireless earbuds have more features than ever, but that comes at a cost: power. Here's how to maximize your battery life.

Factorial, the start-up, said the listing would provide money that would help it bring new solid-state batteries to market as ...

Researchers have identified a key reason why the batteries used to power everything from smartphones to electric vehicles ...

Storing energy in batteries is safe and will save residents money, reduce power outages and lessen our dependence on fossil ...

By eliminating "ion traffic jams," researchers have uncovered the hidden potential of hard carbon anodes in sodium-ion ...

US researchers have given new insights into single-crystal cathode degradation that can lead to longer-lasting, safer ...

Australia's electricity grids are undergoing a profound transformation. Solar and wind have provided 99% of new generating ...

Goodbye to lithium? The new sodium battery, safer and more economical, promises more than 5,000 hours of useful life.