Power up your HP EliteBook with the Tanch laptop battery designed specifically for the EliteBook 745 G4 and EliteBook 850 G3 series. The battery, with a capacity of 4100mAh and a voltage of 11.4V, provides a reliable and sustained charge to keep your device running at its best. Its sleek black finish matches seamlessly with your laptop's aesthetic, ensuring that your work goes on without any interruptions. The CS03XL 800513-001 battery is a perfect choice for those who value efficiency and compatibility. It's equipped with advanced Li-Ion technology and features a 3-cell configuration, offering both safety and longevity. Whether for work or leisure, this battery ensures that your HP EliteBook is always ready to tackle any task.