About this item SPECIFICATION: Model Name: HS04 Notebook Battery; Battery Type: Li-ion; Voltage: 14.8V; Capacity: 2600mAh/38Wh; Cells: grade A 4 cells; Color: Black; Size: 10.75 x 0.8 x 0.75 inches; Weight: About 12 ounces / 0.75lb; Condition: New; COMPATIBILITY: Fit for various models including 807611-131, 807611-141, 807611-221, and more. UPGRADE CAPACITY: The replacement laptop battery HS04 offers a capacity of 2600mAh/38Wh, significantly higher than the typical 2200mAh found in many other HS04 batteries, ensuring better performance and longevity. SAFETY: Built-in circuit protection guarantees safety and stability. The batteries have passed rigorous intelligent detection, including short circuit protection, over voltage protection, discharge protection, and over current protection, essential for the battery's lifespan and safety. Additionally, they are CE, FCC, and RoHS certified. Size Description: 10.75 x 0.8 x 0.75 inches.