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 LFU-30 is designed to replace Fujitsu OEM part numbers FPCBP104 and FPCBP104AP and fits the Lifebook N6110, N6410 and N6420 Series notebooks.