ECSEM 9 Cells battery for Dell Vostro 1510 1520 T114C series Laptop Grade A Cells replacement 11.1V 6600mAh. Built-in protection circuit. The Product has 12 Months Warranty. Fast charge. No memory effect. 100% Compatible with the Original. The Product has been tested and validated on Dell laptop to ensure it will work with your machine. Brand new-Not Refurnished. Fresh pack from factory.