Enhance your USB power supply setup with this high-performance 4USB Output Step Down Converter, designed for versatile and safe charging of multiple devices. Featuring advanced protection functions including reverse polarity protection, over-current, and over-temperature protection, this converter ensures reliable and secure operation for your mobile power, smartphones, tablets, recorders, and other 5V USB-powered equipment. Key Features: · Comprehensive Protection Functions: Built-in reverse polarity, over-current, and over-temperature protection safeguard both the converter and connected devices from damage. · Convenient Wiring Design: Equipped with DC 5.5/2.1 non-soldering terminals, allowing for easy and hassle-free installation without the need for soldering. · Wide Input Voltage Range: Supports DC input from 7V to 60V, making it compatible with various power sources. · High Current Capacity: Capable of delivering up to 5A output current, adapting automatically to the device’s power requirements for optimal charging efficiency. · Four USB Output Ports with Automatic Identification:  – USB1: QC2.0 automatic identification port delivering 5V/2A  – USB2: QC2.0 automatic identification port delivering 5V/1A  – USB3 & USB4: D+ D- shorting ports compatible with most USB devices · Superior Efficiency: Operates at up to 95% efficiency to minimize energy loss and heat generation. · Compact and Durable: Measuring 6.3 x 5 x 3 cm (2.4 x 1.9 x 1.1 inches), this converter fits easily into various setups and performs reliably in temperatures ranging from -40℃ to +85℃. Specifications: · Input Voltage: DC 7V–60V · Output Voltage: DC 5V · Maximum Output Current: 5A · Efficiency: Up to 95% · Module Size: 6.3 x 5 x 3 cm (2.4 x 1.9 x 1.1 inches) · Working Temperature: -40℃ to +85℃ · Wiring Mode: DC 5.5/2.1 non-soldering terminals · USB Ports:  – USB1: QC2.0 5V/2A automatic identification  – USB2: QC2.0 5V/1A automatic identification  – USB3 & USB4: D+ D- shorting compatible ports Package Includes: · 1 x 4USB Output Step Down Converter This 4USB Output Step Down Converter is an ideal solution for powering multiple USB devices safely and efficiently. Its adaptive current output and multiple protection features provide peace of mind while charging a variety of gadgets. Compact, easy to install, and highly compatible, it is perfect for both professional and personal use.