SpecificationVoltage: 14.8V. Capacity: 86Wh 5700mAh 8cells. Battery Type: Li-ion. Condition: Brand new, from high quality materials, top circuit boards and grade battery cells. Compatible Part Number2F8K3 02F8K3 G33TT KJ2PX 0J33TT 0KJ2PX 0NU209 0G33TT 451-BBCB. Compatible Laptop ModelsDell Alienware 17 R1, Alienware M17X, Alienware M17X-R5, Alienware 18 R1, Alienware 18X, Alienware M18X-R3, Alienware P18E P18E001 P19E P19E001 Series. ANTIEE PromiseEveryone of our replacement batteries has tested with strict quality control standards to ensure the true capacity, stable current and low self-discharge. All ANTIEE batteries are UL / CE / FCC / RoHS Certified for safety, we are confident in the performance of the replacement battery. ANTIEE After-salesWe support 12 months of warranty, 24 x 7 email support. As you begin to use the product, any questions you can contact with us via "Your Orders" tab in your account, we will respond within 24 hours.