SIKER 14.8V 69wh New Laptop Battery 4DV4C D10H3 For Dell XPS 18 1810 1820 Series 63FK6 --12 Months Warranty Battery type : Li-ion Battery Voltage : 14.8V Capacity : 69Wh Up to 600 recharge cycles over the life of the battery. Features 100% Brand Replacement New battery , with 1 year warranty