Solar Floor Fan Rechargeable Fan 20W Panel 5H Charges 12H Runtime Remote Control & LED Display Emergency Fan for Power ?? Key Selling Points ? 20W High-Yield Solar Panel Polycrystalline 9V panel charges fully in 4-6 hours under direct sunlight 30% faster than 10W competitors. ?? Massive 18000mAh Battery Powers 12 hours on low speed (10 hours on high) lasts 50% longer than standard 10000mAh fans. ?? Wide-Area Cooling 16-inch blades (45cm width) circulate air in rooms up to 20 (215 sq ft). ? Dual Charging Flexibility Use solar OR included 2A adapter (100-240V global voltage) for 3.5-hour fast charging. ?? All-in-One Emergency Tool Built-in USB port (charge phones) + soft night light perfect for blackouts/camping. ??? Smart 3-Speed Control Adjust airflow from gentle breeze (sleep-friendly) to powerful cooling (indoor/outdoor). ?? Critical Precautions Usage Warnings ? DO NOT: *Cover solar panel while charging reduces efficiency by 50%. *Use in rain/humid areas not waterproof (indoor/dry outdoor use only). *Charge with non-original adapters requires 2A/5V charger only. Maintenance Tips ?? FOR BEST PERFORMANCE: *Fully charge before first use to activate the battery. *Clean solar panel monthly with dry cloth boosts charging by 15%. *Store at 50% charge if unused for >3 months. Power: 25 w Solar panel: 20w polysilicon panel 9V Battery capacity: 18650 Lithium battery 18000mah Charger: 2A adapter charger Wind Type:3 Gears Soft and strong Charging time: 4-6h