Go to Amazon Sites : br br Battpit? Laptop Notebook Battery Replacement for Acer Aspire TimelineX 5830T-6862 (4400 mAh br br Type 111 Volt Li-ion Laptop Battery br Capacity 4400 mAh Condition New br 30-Day Money Back Guarantee 1 Year Warranty br This is a genuine Battpit product comes with 1 year warranty Beware of imitation Battpit bears no responsibility on the imitation product purchased