This 6-cell DWVRR 11.4 V 87 Wh lithium-ion battery restores full runtime to Dell Alienware x15/x17 (R1 R2) and Inspiron 16 7620 2-in-1 laptops. Engineered to match OEM performance, it provides consistent power output for gaming and workstation-level workloads. Technical Performance Each cell is rated at 11.4 V / 7250 mAh, delivering up to 87 Wh of energy?enough to sustain high-draw GPUs and CPUs under load. Precision-balanced internal circuitry maintains even charge distribution, reducing thermal stress and extending overall cycle life. Integrated over-charge, over-discharge, and short-circuit protection circuits meet CE and RoHS safety standards. The pack ships pre-tested for capacity and voltage stability before sealing. Practical Applications Gaming: steady voltage for Alienware laptops under GPU boost. Creative workloads: uninterrupted editing and rendering sessions. Portable use: extended runtime for travel or on-site work. Measured Advantages 87 Wh capacity for up to 15 % longer use vs. standard 74 Wh units. Matched OEM form factor for direct installation?no fit issues. Includes screwdriver set and instructions for quick swap. 12-month replacement warranty with lifetime email support. Fully compatible with part numbers DWVRR, 817GN, 0017GN, 0NR6MH. Design Trade-Off High-capacity cells increase weight slightly (~15 g more than stock), a reasonable exchange for the extended runtime and sustained current output.