Coolgo&reg; New Laptop Battery for IBM Lenovo ThinkPad T60 T60p R61 T61 T61p R61e R61i 42T4504 42T4513 - 18 Months Warranty [li-ion 6-cell 5200mAh] High-Quality replacement for IBM Thinkpad T60 10.8V 5200mAh black 204.90*58.60*20.50mm 302.0g Quality Certication: All the products pass the ISO9001, CE and ROHS, FCC multiple international authentication and completely accord with environmental protection requirement. Consummate Design: Excellent design makes the product not only has the overcharge, discharge and short circuit multiple protection, but also to balance charge-discharge of all the internal cells. Environmental Test: Standard modern assembly line. All products have passed a variety of charge-discharge and aging test before they leave the factory. 100% quality test for all items. Free shipping via USPS first class package from USA, 24 x 7 Email Support. Brand new direct from Professional Manufacturer, 18 Months warranty!