Features: *materials: This voltage regulator power bank is made with high-quality materials, ensuring its durability and reliability. *Compact and easy to carry: With its compact size, this power bank is extremely portable and easy to carry around. It is also easy to install, making it convenient for on-the-go use. *Stable performance and intelligent recognition: This power bank features stable performance and intelligent recognition of charging devices, allowing it to provide optimal charging efficiency. *Wide range of applications: This voltage regulator power bank is suitable for a variety of industrial DIY occasions, making it versatile and adaptable to different needs and situations. Specifications: *Part Name:Solar Panel Voltage Regulator *Material: PP material *Size: 35*30*12mm (single USB), 40*40*10mm (dual USB) *Color:BLACK *Input voltage: 5-30V *Output voltage: 5V/2A (single USB) ,5V/3A ( dual USB ) *Maximum output current: 2000mA (single USB)3000mA (dual USB) *Conversion efficiency: 95% Package Content: 1*USB Solar Panel Voltage Regulator Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.