The Microsoft Surface Pro 3 44w AC Laptop Charger is a high-quality power adapter specifically designed for Microsoft Surface Pro 4 models. With a voltage of 15V and an output current of 4A, this black charger is compatible with the Surface Pro line, ensuring a reliable and efficient power supply for your device. Ideal for professionals and students alike, this Microsoft charger is a convenient and essential accessory for keeping your laptop powered up and ready for use at all times.