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USB-C Charging Prompts Massive Recall of Kobalt Power Tool Batteries Over Fire Hazard

Greenworks Tools has initiated a recall for more than half a million Kobalt-branded power tool batteries. The action stems from a potential fire risk associated with USB-C charging, which could lead to significant injury.

8/20/2026, 7:15:43 AM

Greenworks Tools has announced a substantial recall affecting approximately 554,780 Kobalt-branded power tool batteries across the United States. The measure is being taken due to a documented fire hazard, specifically when the batteries are connected via USB-C for charging. The recall targets batteries designed for various yard maintenance equipment, and reports indicate a risk of serious injury. According to The Verge, this safety concern has prompted the manufacturer to advise consumers to cease using the affected products immediately. Regulators received numerous accounts detailing issues with the lithium-ion batteries. There have been 34 reported incidents where these batteries exhibited dangerous behavior, including producing smoke, emitting sparks, or igniting into flames. These events occurred while the batteries were actively charging within the power tool itself. While the specific models of Kobalt tools impacted by this recall are primarily those used for outdoor work, consumers are urged to verify if their battery packs are part of the affected batch. The recall highlights the importance of battery safety, particularly with advanced charging technologies like USB-C being integrated into higher-power devices. Greenworks Tools, the company behind these Kobalt-branded products, is taking steps to mitigate the risk and ensure customer safety. Owners of these battery packs should contact Greenworks Tools for information on how to proceed with the recall process, which typically involves receiving a replacement or a refund. This widespread recall underscores the continuous need for vigilance in product safety testing and design, especially concerning electrical components and power sources that can pose hazards if defective.

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