11.10V 7800mAh Li-ion Replacement Laptop Battery for Dell Vostro 1310 1320 1510 1520 2510 Compatible Part Numbers: Dell 312-0724 312-0725 312-0859 312-0922 451-10586 451-10587 451-10655 N950C N956C N9 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.