Foldable Solar Rechargeable Fan 666

SDGD / Model 666 Foldable Solar Rechargeable Fan (often branded as FA-SD-666 or SD-666) is a highly portable, multi-powered cooling fan designed for indoor, outdoor, and emergency backup use. Featuring a unique double-head or highly flexible 360-degree rotating configuration, it is built to run on its internal battery, a USB power source, or directly via solar energy—making it an excellent choice for camping, travel, or managing electricity load shedding.

Here is the complete product description and technical breakdown for the Model 666 fan.

Technical Specifications

• Model Variant: SDGD SD-666 / FA-SD-666

• Motor Type: High-efficiency, low-noise Brushless DC Motor

• Blade System: Advanced multi-blade system (up to 7 blades per head) optimized for maximum air volume

• Battery Type: Rechargeable 18650 3.7V Lithium-Ion Battery

• Battery Capacity: 2400mAh

• Charging Input: DC 5V / 1A–2A (via modern USB Type-C interface)

• Solar Integration: Compatible with/includes a 6V 3W compact solar charging board

• Power Consumption: 9W peak output

• Charging Time: 5 to 8 hours (depending on power source strength)

• Operational Backup Time: 3.5 to 9 hours (variable based on selected speed)

Key Features Explained

• Hybrid Triple-Power Functionality: The standout benefit of the 666 model is its power flexibility. It can be charged using a traditional home wall adapter via USB Type-C, plugged directly into a 12V/24V car utility socket, or hooked up to its external solar panel to soak up free, eco-friendly energy directly from the sun.

• Compact, Foldable Design: Built from rigid, lightweight ABS plastic, the entire chassis is engineered to fold flat. This drastically minimizes its storage footprint, allowing you to slip it effortlessly into a travel backpack, car glove box, or picnic basket.

• 3-Speed Graded Control & Low Noise: Features three fine-tuned speed settings (Low, Medium, High). Driven by a premium brushless motor, the fan operates quietly even at peak speeds, preventing the annoying, loud buzzing common in older portable fans.

• 360° Multi-Directional Air Supply: The updated 666 chassis allows you to tilt, rotate, and position the fan head to blow air at any angle. Whether sitting on a flat office desk, resting on the floor of a camping tent, or mounted on a vehicle dashboard, you can direct the breeze precisely where it is needed.

Backup Runtime & Expectations

Energy Saving Tip: When using the fan on battery backup overnight, stick to the Low or Medium speed setting. This drops the voltage draw ($DC 5V \rightarrow 7V$) and extends your cooling breeze up to 9 hours on a single charge.

• High Speed: Delivers maximum airflow blast; ideal for immediate cooling, providing roughly 3.5 hours of backup.

• Medium Speed: Balances airflow and power consumption, providing roughly 5 to 6 hours of backup.

• Low Speed: Whisper-quiet mode designed for sleeping or studying, stretching the battery life up to 9 hours.

Best-Use Scenarios

• Outdoor Camping & Hiking: Use solar power during daylight hours to keep the internal lithium battery fully topped off for night use.

• Emergency Load-Shedding Backup: Provides immediate, reliable airflow relief during sudden summer power outages or grid failures.

• Vehicle Desk & Dashboard Companion: Acts as an excellent auxiliary dashboard cooler for cars, trucks, or RVs, plugging straight into USB ports.

In the Box

1. Foldable Solar Charging Fan (Model 666)

2. External 6V 3W Solar Charging Board

3. USB to Type-C Charging Cable

4. Anti-Slip Rubber Stability Foot Mats (Pre-installed)

5. User Instruction Manual