Introducing a compact and efficient power solution designed to meet your portable energy needs. This product is engineered with precision, offering an input voltage of 5V and an input current ranging from 0.5 to 1A. It provides a stable output voltage between 5-9V, capable of delivering an output power ranging from 1.5 to 2.5W. The device is built for convenience and efficiency, allowing a usage time of approximately 45-75 minutes per charge, depending on the application. A full charging cycle typically takes 4 to 6 hours, ensuring ample time for the battery to reach its maximum capacity. For optimal performance, it is recommended to fully charge the product before the first use. This versatile item can be charged using a power bank or directly connected to a computer, providing flexibility in how you keep it powered up. An intelligent design feature ensures that the fan will automatically stop working when the battery voltage becomes insufficient, signaling the need for a timely recharge. Whether you are looking for a reliable companion for your gadgets or seeking to enhance your daily productivity, this product combines functionality with ease of use, making it an essential addition to your tech arsenal. Its sleek design and efficient performance make it a standout choice for those who value both portability and power.