Fire hazard of WHY2025 badge due to 18650 Li-Ion cells
This document was originally posted in two places: A response was published by IFCAT: This page is also reachable via WHY18650.org WHY2025 badge fire hazard advisory The WHY2025 badge is a fire hazard when used with unprotected cells. Unprotected cells themselves are intrinsically unsafe and require additional safety measures which are not provided by the badge. In fact, the badge makes it worse. Background information Visitors of WHY2025 can get a badge, a fun electronic gadget that is a