Key Facts
• July 9: Extreme heatwave continues, with 136 locations recording temperatures over 35°C.
• Kanagawa Prefecture: Fire at a post office garage burned 28 electric delivery bikes.
• NITE reports 1,860 lithium-ion battery fire incidents in the past 5 years, 80% causing fires.
• Tokyo Fire Department: Lithium-ion batteries are vulnerable to heat and impact.
• JAF experiment: Car dashboards can reach 70–80°C in summer, increasing fire risks.
• Most affected devices: Mobile batteries (19.4%), electric bicycles (10.9%), portable fans.
• Fire prevention tips: Avoid high temperatures, impacts, and overcharging; monitor charging.
• Disposal advice: Contact manufacturers or local authorities for proper recycling.
• NITE purchasing tips: Avoid overly cheap products; check for proper labeling and contact info.
Summary
As Japan faces a severe heatwave, concerns over lithium-ion battery safety have intensified. On July 9, temperatures soared above 35°C in 136 locations, with incidents like a fire in Kanagawa burning 28 electric bikes. Lithium-ion batteries, commonly used in mobile devices and electric bicycles, are prone to fires caused by heat or impact. NITE reports 1,860 fire incidents over five years, with 80% leading to significant damage. Experts recommend avoiding high temperatures, impacts, and overcharging, while ensuring proper disposal through manufacturers or local authorities. Consumers are advised to purchase batteries from reputable sources to minimize risks.
