Technology

How to Spot a Counterfeit Lithium-Ion Battery

Source

Hacker News

Published

Nov 22, 2025

TL;DR

AI Generated

Counterfeit cylindrical lithium-ion batteries are increasingly being found in the market, posing a fire hazard. These fake batteries are commonly used in small, inexpensive devices. The infiltration of these counterfeit batteries raises concerns about safety, especially in products like e-bikes. Consumers are advised to be vigilant and look for signs of counterfeit electronics to avoid potential dangers associated with these fake batteries.

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Apex Gaming PCs recalls nearly 18,000 power supplies over missing safety labels — the fix is a warning sticker sent by mail, units are entirely safe

Apex Gaming PCs is recalling nearly 18,000 power supplies due to missing safety labels that identify electrical shock and electrocution hazards. The affected units were sold between December 2021 and February 2026, both as standalone components and pre-installed in gaming desktops. The recall is not due to a hardware defect, as the power supplies are safe to use, but lack necessary warning labels. Customers will receive warning stickers by mail or can request a replacement PSU. The company advises users to stop using the recalled PSUs and not to open or service them.

Tom's Hardware•

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Empowering Advanced Autonomous-Driving Systems

The article discusses the challenges and advancements in autonomous driving systems, emphasizing the need for a comprehensive approach beyond just software algorithms. It highlights the importance of multiple sensors, redundancy in communication and processing, and system-level safety to prevent single points of failure. Dr. Stefan Poledna from TTTech Auto shares insights on the current state of the autonomous driving market and the architectural analysis required for safe execution. The focus is on creating diverse and redundant systems to ensure the safety and reliability of next-generation autonomous vehicles.

ElectronicDesign•

2 weeks ago

3DPrint.com

3D Printing News Briefs, March 21, 2026: Resin Safety, 3D Printed Bandages, & More

The article discusses various 3D printing news briefs from March 21, 2026, including updates on resin safety and the development of 3D printed bandages. It seems to delve into the advancements and applications of 3D printing technology in the medical field.

3DPrint.com•

2 months ago

20C Charging Rate Cathode Enables Full EV Charge in Three Minutes

OMI has developed a cathode using LnFP technology that enables charging at a 20C rate, allowing for a full EV charge in just three minutes. This breakthrough eliminates cobalt, enhancing safety and reducing supply chain risks. OMI plans to start production in the U.S. by 2027 and has successfully validated its fast-charging cathode material. The company's innovative approach could revolutionize electric vehicles, mobile devices, and industrial equipment by significantly reducing charging times without compromising durability or safety.