Welcome to the Quantex Laptop Battery Store! We offer the latest notebook replacement batteries for most Quantex models, including: W-1400, W-1500, W-1500, 1511-I, 800, M550V, MP-983, TS30G and others. Every Quantex laptop battery we sell is brand-new and is tested for quality, stability and safety. We offer a one year warranty and a 30 day money-back guarantee on all Quantex batteries. Buy it with confidence!