✅Compatible with Dell Precision 15 5510, 5520, 5530, 5540 and XPS 15 7590, 9550, 9560, 9570 ✅Part numbers: K0K71, 0K0K71, DC02C00I900 ✅Laptops with the same model number can sometimes be different types — please check the product image and make sure it matches yours ✅100% professional quality guarantee: manufactured for stable performance and high reliability. Our ultimate goal is your satisfaction ✅6-months warranty
