Product introduction: Input voltage: DC 10-36VDC Total output power: 50W (25W+25W) Total output current: 9A (5A+4A) USB output: 3xUSB, 5V (5A Max), 1xUSB,5V/9V/12V (4A Max) Protection mechanism: input anti-reverse (can work without dividing positive and negative), input over-current protection, input over-voltage protection, input anti-static and spike, output over-current protection, output short-circuit protection Size: 82mmx28mmx59mm Weight: Net weight 90g, packing box 24g Application scenario This product is a high-profile version, with 1 fast charging port added, and a complete protection circuit, which is especially suitable for DC DC power supply scenarios such as vehicles and ships. Through this product conversion, 4 USB output ports can be provided, and 4 USB output ports can be provided at the same time. Charge a mobile phone or tablet. You can also use a power adapter, storage battery, battery car, etc. as the input power source to switch to 4 USB outputs. As long as you have a 10-36V DC power supply, you can switch to 4 USB. Used in vehicles, ships, battery cars, field trips, solar charging, street stalls and other occasions. Note This product is a high-profile version, with 1 fast charging port added, and a complete protection circuit, which is especially suitable for DC DC power supply scenarios such as vehicles and ships. Through this product conversion, 4 USB output ports can be provided, and 4 USB output ports can be provided at the same time. Charge a mobile phone or tablet. You can also use a power adapter, storage battery, battery car, etc. as the input power source to switch to 4 USB outputs. As long as you have a 10-36V DC power supply, you can switch to 4 USB. Used in vehicles, ships, battery cars, field trips, solar charging, street stalls and other occasions. Package Included: Multi-port USB Charger X1 for Car and Ship DC female line X1