Defender KTH| KN| DF-2912 12" (Same) AC/DC rechargeable charger fan

Category: Battery & Charger
SKU: BSGE845331

Tk 5,000

📌 Basic Fan Details

  • Brand: Defender

  • Model: 2912 / KN\KTH\DF-2912 (12 inch rechargeable table fan)

  • Fan Type: Rechargeable AC/DC table fan

  • Blade Size: ~12 inches

  • Number of Blades: 3 plastic blades

  • Material: Plastic body (lightweight & portable)

  • Oscillation: 3-speed oscillating fan (Low/Medium/High speed)

  • Power Source:

    • AC: 220 – 240 V AC mains

    • DC: Battery mode when no mains power

  • Motor/Power: ~24 W power consumption

🔋 Battery & Backup

  • Battery Type: Rechargeable sealed lead-acid battery, typically 6 V 4.5 Ah

  • Charging Time: ~12 – 15 hours for full charge

  • Estimated Runtime on Battery:
    • High speed: ~3 – 5.5 hrs
    • Medium speed: ~5 – 8 hrs
    • Low speed: ~8 – 12 hrs (varies by battery condition & capacity)

  • LED Light Backup: Some variants include an LED light that can last much longer (e.g., ~90–150 hrs) when separate from the fan motor

  • Protection: Overcharge and over-discharge battery protection to improve battery life


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🔄 Functional Details

  • Speeds: 3 adjustable wind speeds (Low/Medium/High)

  • Noise: Designed for relatively low noise operation for a small fan

  • Portability: Compact and lightweight — suitable for table use indoors, travel, power outage backup, etc.

  • Comfort Features: Some sellers note automatic horizontal movement or adjustable tilt direction

📊 Typical Performance Figures (Approximate)

SettingApprox. Runtime (Battery)
High~3 – 5 hrs
Medium~5 – 8 hrs
Low~8 – 12 hrs+





📌 Basic Fan Details

  • Brand: Defender

  • Model: 2912 / KN\KTH\DF-2912 (12 inch rechargeable table fan)

  • Fan Type: Rechargeable AC/DC table fan

  • Blade Size: ~12 inches

  • Number of Blades: 3 plastic blades

  • Material: Plastic body (lightweight & portable)

  • Oscillation: 3-speed oscillating fan (Low/Medium/High speed)

  • Power Source:

    • AC: 220 – 240 V AC mains

    • DC: Battery mode when no mains power

  • Motor/Power: ~24 W power consumption

🔋 Battery & Backup

  • Battery Type: Rechargeable sealed lead-acid battery, typically 6 V 4.5 Ah

  • Charging Time: ~12 – 15 hours for full charge

  • Estimated Runtime on Battery:
    • High speed: ~3 – 5.5 hrs
    • Medium speed: ~5 – 8 hrs
    • Low speed: ~8 – 12 hrs (varies by battery condition & capacity)

  • LED Light Backup: Some variants include an LED light that can last much longer (e.g., ~90–150 hrs) when separate from the fan motor

  • Protection: Overcharge and over-discharge battery protection to improve battery life

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