Your next e-bike or robot vacuum might not have a lithium-ion battery. The ubiquitous batteries have problems—they’re slow to charge, wear out quickly, and sometimes lead to catastrophic fires. But ...

Have you ever charged your electric bike fully at night, only to wake up and find it half empty? You’re not alone. Many riders face this issue. The good news is, it’s usually easy to fix once you ...

If you’re shopping for your first ebike or electric scooter, you might be a bit confused by the numbers you see on the spec sheet. What exactly is a watt-hour (Wh), and how is it different from an amp ...

The current generation of Stromer ebikes squeezes between 75 and 160 miles (120 and 260 km) of electric-assist range out of batteries that take between 3.7 and 7 hours to charge charge. But the Swiss ...

Create an account or log in to save stories. CATHY WURZER: You've probably noticed a surge in popularity of e-bikes recently. You see them all over the place. Sales of electric bikes went up by 400% ...

“At temperatures below 5°C, chemical reactions ('plating' and 'dendrite formation') start to occur during charging and ...