Free shipping nationwide. We have many other products as well. Please take a look if you'd like (*^^*) #Mom's Products [New, Unused] Powerful item to get through the scorching heat! This 30000mAh ultra-large capacity fan battery set provides comfortable coolness. Battery Capacity: An amazing 30000mAh allows for long hours of continuous use. Powerful Airflow: Instant cool-down with a powerful airflow of up to 30V. Compact Design: Lightweight and compact design for easy portability. Versatile: Great for various scenes such as outdoor activities, camping, fishing, and watching sports. Easy Charging: USB charging compatible for easy charging anywhere. Enjoy comfortable air wherever you are with this fan battery set and make the hot summer even more comfortable! [30V Ultra-High Output Fan Battery Set] Unlike similar products in the industry that automatically switch to a weaker mode after 1-2 hours of use in the strongest mode, this product is equipped with the latest US military MIL standard IC chip, maintaining a stable output of 30V until the battery runs out, generating a maximum of 168l/s of powerful airflow, making work in the scorching sun cooler and more comfortable. [New Powerful Fan - Innovative Airflow] The latest air-conditioning workwear fan is equipped with a Japanese-made all-copper brushless motor, providing a reliable long life of approximately 50,000 hours. The optimal combination of a new structure with 5 blades with a larger blade area and a 40° asymmetrical diagonal fan guard achieves a large air volume. [30000mAh Ultra-Large Capacity Battery - Up to 15 Hours of Operation] The 30V battery has a significantly increased capacity of 30000mAh, and with 4-stage voltage output of 30V-24V-20V-16V, it achieves continuous operation for 4-15 hours. Equipped with a USB output port, it can also be used for electric blankets and heated vests. Equipped with an LCD display, you can check the output voltage and remaining battery level at a glance. It has obtained PSE, CE, and other certifications, and is a high-quality air-conditioning workwear compatible battery that has been thoroughly inspected with professional inspection machines. Equipped with multiple protection functions such as overcharge protection, over-discharge protection, overcurrent protection, and over-temperature protection, it can be used safely and securely. [High Versatility] The diameter size of the fan mounting part is 90mm, which is compatible with 99% of commercially available air-conditioning workwear and air-conditioning vests, and has high compatibility. Construction, civil engineering, factory work, fishing, forestry, farms, gardens, outdoor work, transportation, warehouse work, mountain climbing, walking, golf, touring, camping, summer sports, leisure...