Features: 45W 19V 2.37A power adapter - Specially designed for ASUS laptop. Multi-protection - Protection against charging, overcurrent, overvoltage, short circuit and overtemperature. High output voltage, small waveform and low interference for stable and fast charging. High quality and OEM compatible. Safe and durable - Made of high quality parts and circuit boards. Specification: Type: Notebook Power Adapter Compatible brand: For ASUS AC input voltage: 100 - 240V 1.5A Input frequency: 50 - 60 Hz Power: 45W Output voltage: 19V Output current: 2.37A Interface specifications: 4.0 * 1.35mm / 0.2 * 0.1in Material: ABS Color: Black Weight: Approx. 157g Compatible model: For ASUS VivoBook S15 S510 S510u Laptop For ASUS X553M X553MA Package list: 1 * Power adapter Note: 1. Not all compatible models are listed. 2. If you do not know if the machine can use this adapter, you can check if the output parameters (voltage, current) of your original adapter match. 3. If the original adapter is lost, you can check the parameters on the bottom of the computer or in the manual of your machine.