Use Portable Fans Correctly! Be Aware of Heatstroke Risks and Explosion/Fire Accidents

Chapter 1: The Popularity and Appeal of Portable Fans

• Market Trends and Consumer Popularity Background

• Convenience on Trains, in Offices, and Outdoors

• Model Comparison: Differences from Traditional Fans

Chapter 2: Heatstroke Risks and Misuse

• Detailed Explanation of Risks by Dr. Hideki Taniguchi:

  • Blowing air directly on the face at 35°C or higher hinders sweat evaporation, counteracting body temperature regulation Okinawa Times Plus

  • Risk of Corneal Damage from Eye DrynessOkinawa Times Plus
    
    

• Examples of Proper Use:

  • Moisten the neck and chest with mist or a damp towel before applying windOkinawa Times Plus

  • How to Direct Wind Through Clothing and Tips for Adjusting Wind Speed

Chapter 3: The Reality and Causes of Explosions and Fire Accidents

• Accident Reports by NITE:

  • At least 40 accidents involving lithium-ion battery handheld fans occurred between 2020 and 2024Okinawa Times Plus

• Analysis of Causes:

  • Dangers of leaving in high temperatures and frequent drops leading to battery degradation or short circuitsAtes NewsOkinawa Times Plus

• Examples of Actual Damage (Including Domestic and International): Leakage, Explosion Situations, Injury Cases

Chapter 4: Summary of Points for Safe Use

1. Precautions When Using

   • Avoid continuous use under direct sunlight and high temperatures

   • Keep wind speed moderate and choose cooling targets (neck, chest, forehead)

   • Do not use directly on dry skin or face
     
     

2. Charging and Battery Management

   • Use genuine chargers and avoid prolonged charging

   • Charge properly before the battery runs low
     
     

3. Storage Precautions

   • Avoid places exposed to high temperatures and direct sunlight

   • Storage methods to protect from impact from falls

   • Sealed storage to avoid contact with liquids
     
     

4. Points for Choosing

   • Choose products with safety certifications

   • Products with lithium polymer or safety design instead of lithium-ion batteries

   • Check reviews and manufacturer support
     
     

5. Response in Case of an Accident

   • Stop use immediately if there is abnormal heating, odor, or noise

   • Move to a place where heat can dissipate, away from flammable materials like walls or bedding

   • Use a fire extinguisher or water appropriately in case of fire (but be cautious with water on electrical products)

Chapter 5: Expert Interviews and User Voices

• Detailed Interview with Dr. Taniguchi

• Opinions from NITE Officials and Safe Appliance Experts

• Introduction of Consumer Reviews and Real Examples on SNS (Posts with Many Warnings)

Chapter 6: Latest Technology and Future Prospects

• Evolution of Safety Design: Temperature Control, Overcharge Protection Circuits, etc.

• Potential of Next-Generation Cooling Items (such as those with built-in ice cartridges)

• Status of Regulations and Guidelines in the Market

Conclusion: Balancing Safety and Comfort with Proper Use

• The Importance of Balancing Safety and Comfort

• The Key is the Dual Role of User Awareness and Manufacturer Responsibility

• Recap: Reconfirm the Four Points of Storage, Use, Selection, and Accident Response