Specs Acer Aspire 5220-201G16MI 3600+ 39.1 cm (15.4") AMD Mobile Sempron 1 GB DDR2-SDRAM 160 GB AMD Radeon Xpress 1100 Windows Vista Business Notebooks (LX.AJ30Y.026)
Synergy Digital Laptop Battery, Compatible with Acer Extensa 5220-200508 Laptop, (Li-ion, 14.8V, 4400mAh) Ultra High Capacity, Replacement for Acer TM00742 Battery - Walmart.com