Amstron provides reliable, high performance replacement batteries for your Acer laptops. The LAC-32 is designed to be 100% manufacturer compatible with Acer OEM part numbers SQ-1100, BTT2303001, SQ-2100 and SQU-202. Amstron Lithium-Ion batteries provide superior performance and reliability. The SQU-202 replacement Acer battery is rigorously tested for productivity and compatibility with the Acer TravelMate 660, TravelMate 800, TravelMate 8000, TravelMate 650 and other series of Acer Laptops. The LAC-32 is designed to meet or exceed the original battery of your Acer laptop. • Chemistry: Li-Ion • Rating: 14.8V 4400mAh • Will meet or exceed original specifications • Warranty: 1 Year