Product DescriptionThe Fujitsu Laptop Battery 4000mAh, 6-Cell High Quality is a superior-grade replacement battery designed for Fujitsu SQU809, fully compatible with Siemens Amilo Li3710 laptops. Built with premium lithium-ion cells, this battery delivers powerful performance, stable energy output, and extended backup time—perfect for students, office professionals, and home users who require dependable power.Compatibility Compatible Part Number: SQU809 Compatible Models: Siemens Amilo Li3710 Series Compatibility: Fujitsu Siemens Amilo Laptop Series PerformanceThis 6-cell battery provides up to 5–7 hours of backup depending on system settings and workload. It supports fast charging, delivers stable voltage output, and minimizes power loss—ensuring uninterrupted performance and increased productivity.Build QualityManufactured with Grade A lithium-ion cells for maximum efficiency and durability. The integrated IC protection circuit protects against overcharge, overheating, and short-circuiting, while the sturdy, heat-resistant casing ensures long-term safety and reliability.InstallationThe battery is easy to install, requiring no technical expertise or tools. It fits perfectly into compatible Fujitsu Siemens models as a direct replacement for the original battery.Ideal ForIdeal for students, office workers, and business professionals who need a reliable, long-lasting power backup for Fujitsu Siemens laptops—offering stability, safety, and energy efficiency. Technical Details Brand: Fujistu Model number: SQU809 – SIEMENS Amilo Li3710 Seller SKU: LI-1171 Condition: New Origin: China Availability: In Stock Minimum order quantity: 1 Shipping weight: 1000.00 g Date first listed on DP MART : Oct 10, 2025