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AC Infinity MULTIFAN Mini Review: A Compact and Energy-Efficient USB Fan for Various DIY Projects

In the world of DIY cooling and ventilation projects, a reliable and compact fan is essential for maintaining optimal airflow and temperature levels. The AC Infinity MULTIFAN Mini is a highly versatile and energy-efficient USB fan designed to cater to various applications, including VR gear, aquarium, Roku, router, Raspberry Pi, cosplay, and helmet cooling ventilation. In this review, we will delve into the features, specifications, and technical details of the MULTIFAN Mini to explore its capabilities and potential uses.

Design and Build

The MULTIFAN Mini boasts a compact design, measuring 1.6 x 1.6 x 0.8 inches (40 x 40 x 20 mm), making it an ideal fit for tight spaces and small projects. The fan’s dimensions and hole-to-hole distance of 1.26 x 1.26 inches (3.2 x 3.2 cm) allow for easy installation and mounting on various surfaces. The screw hole size is approximately 0.1 inches (0.35 cm), ensuring a secure and stable attachment. The fan’s weight is not specified, but its compact size and lightweight design make it easy to handle and transport.

Multi-Speed Controller and Airflow Performance

One of the standout features of the MULTIFAN Mini is its in-line multi-speed controller, which enables users to adjust the fan’s speed to optimal noise and airflow levels. This controller is equipped with a power switch, allowing users to turn the fan on and off with ease. The fan’s airflow performance is impressive, with a total airflow of 12 CFM (cubic feet per minute) and a noise level of 18 dBA, making it suitable for applications where quiet operation is essential. The fan’s speed can reach up to 6000 RPM, providing a significant amount of airflow for its compact size.

Dual-Ball Bearings and Lifespan

The MULTIFAN Mini features dual-ball bearings, which provide a lifespan of 67,000 hours, equivalent to approximately 7.5 years of continuous operation. These bearings enable the fan to be laid flat or stand upright, making it a versatile option for various mounting positions. The fan’s bearings are designed to provide smooth and quiet operation, reducing vibration and noise.

Power and Connectivity

The MULTIFAN Mini is powered via a USB plug, which can be connected to USB ports found behind electronics or on portable power banks. The fan’s operating voltage is between 3 to 7V DC, with a power consumption of 0.6 W and a current of 0.12 A. The fan’s static pressure is 4.2 mm-H2O, and it can operate in a wide range of temperatures (0 to 158°F) and humidity levels (35 to 85% RH).

Daisy-Chaining and Expandability

The MULTIFAN Mini allows users to daisy-chain additional fans to share the same power source, making it an ideal solution for applications that require more airflow. Up to four fans can be connected to the same USB power source, and up to six fans can be connected to the same thermal controller (sold separately). This feature enables users to create a customized cooling system that meets their specific needs.

Certifications and Compliance

The MULTIFAN Mini is UL-certified (fans only) and CE and RoHS certified (whole product), ensuring compliance with safety and environmental standards. The fan’s certifications confirm that it meets the required safety and performance standards for use in various applications.

Applications and Use Cases

The AC Infinity MULTIFAN Mini is a versatile fan that can be used in a wide range of applications, including:

  • VR gear and virtual reality headsets
  • Aquarium and aquatic applications
  • Roku and other streaming devices
  • Router and networking equipment
  • Raspberry Pi and other single-board computers
  • Cosplay and costume design
  • Helmet cooling ventilation and safety gear

Conclusion

The AC Infinity MULTIFAN Mini is a compact and energy-efficient USB fan designed for various DIY cooling and ventilation projects. Its multi-speed controller, dual-ball bearings, and low power consumption make it an ideal solution for applications where quiet operation and reliable airflow are essential. The fan’s compact size, lightweight design, and daisy-chaining capability make it a versatile option for various mounting positions and applications. With its UL, CE, and RoHS certifications, the MULTIFAN Mini ensures compliance with safety and environmental standards, providing users with a reliable and efficient cooling solution for their DIY projects. Whether you’re a hobbyist, DIY enthusiast, or professional, the AC Infinity MULTIFAN Mini is a great option for anyone looking for a compact and energy-efficient USB fan for various cooling and ventilation applications.

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By Alex