The Dell Laptop Battery 4400mAh, 6-Cell High Quality Battery is a dependable power source designed for Dell X8VWF and 4XKN5 models, fully compatible with Dell 5404 Rugged, 7414, E5404, and E7404 series laptops. Built with premium-grade lithium-ion cells, this battery delivers reliable performance, extended backup, and consistent energy output for demanding environments. Its 6-cell configuration ensures higher capacity, making it ideal for field professionals and heavy-duty users. Equipped with multiple protection circuits against overcharging, overheating, and short-circuiting, it guarantees safety, durability, and long-lasting efficiency — perfectly suited for rugged and professional Dell laptops.