Amstron Power Solutions provides high-performance, reliable replacement batteries for laptops. A leading provider of mobile technologies since 1996, Amstron replacement batteries are tested rigorously to make sure our batteries provide maximum productivity and dependability. Extensive knowledge and training in rechargeable battery development, has enabled Amstron to develop a reliable and safe line of rechargeable batteries. The LAS-10 is designed to replace Hitachi OEM part numbers 205-40005-01, 205-50001-01, CGR-B/C01, D3090A, as well as Winbook 205-50001-01 and D3090A. It is rigorously tested to fit the AST Ascentia P series, Austin Edge CD and XP, the Hitachi MX-166-T series notebooks. • 14.4 Volts • 5400mAh Capacity • Lithium Ion • 100% original manufacturer compatible • Guaranteed to meet or exceed original specifications • Highest quality Japanese battery cells • Full 1 year warranty