6 Cell Replacement Battery for Dell Inspiron 1525 1526 Gw240 Ru586 Rn873 Battery 6 Cells 5200mah 11.1v Series Laptop 100% Compatible - Will not void your original warranty Tech Rover&trade; Quality product with 30-DAY Worry-Free Return Policy Brand New High output Battery All Tech Rover&trade; branded items carry a 1 year warranty against manufacturer defects.