A premium replacement battery engineered for Dell Precision M5510, M5520, M5530, M5540 workstations and P56F model, fully compatible with Dell part number H5H20 (also fits 5041C, 5D91C). Built with high-grade 3-cell Li-ion/Li-polymer cells, it delivers 56Wh capacity and 11.4V voltage—matching OEM specifications for seamless performance.