The Defender EM-KN2912 is a 12-inch rechargeable table fan with a 6V 4.5Ah battery. Under dual AC/DC operation, it maintains airflow during power grid failures. Three speed settings toggle between high-velocity cooling and extended 12-hour runtimes.
Key Features
- AC/DC Dual Operation: Internal circuits switch to battery backup automatically during power loss. Maintains airflow during local load shedding.
- Built-in LED Light: Two integrated light-emitting diodes provide backup illumination for dark rooms. Increases visibility during nighttime outages.
- 90-Degree Oscillation: Mechanical horizontal rotation distributes air across a wide-angle field. Cools multiple people in one area.
- 6V 4.5Ah Battery: Lead-acid cell provides 3.5 to 12 hours of runtime. Low speed lasts the entire night.
- 12V DC Input: Dedicated port connects external solar panels for direct battery charging. Enables power recovery without the main grid.
Frequently Asked Questions
How long does Defender KN-2912 battery last?
High-speed operation lasts 3.5 hours, while low-speed extends to 12 hours. The 6V 4.5Ah battery capacity determines these specific discharge limits.
Can I charge Defender fan with solar panel?
The 12V DC input port supports direct charging from compatible solar panels. This enables power recovery in environments without consistent AC electricity.





















