9NJM1 Battery for Dell - Asuncell laptop computer battery is made of Li-ion, 3-cells, 11.4V, 99Wh capacity. 100% Brand new. Up to 500 recharge cycles over the life of the battery. Compatible Models - This 9NJM1 laptop battery fits for Dell Alienware 15 R3 R4 Series, 17 R4 R5 Series Notebook, Dell P31E P69F Series(P31E001, P31E002, P69F, P69F001, P69F002 Series), Dell ALW17C Series. (Dell ALW17C-D1738 ALW17C-D1748 ALW17C-D1758 ALW17C-D1848 ALW17C-D2738 ALW17C-D2748 ALW17C-D2758 ALW17C-R1748 Series)