SellZone 45N1158 Battery for Lenovo ThinkPad T440P/T540P/L540/W540 1 year seller carry in warranty of the product is limited to failure and manufacturing defects Warranty not covered if defects due to external causes, accidental, physical or liquid damage, cut, burnt, misuse and missing warranty stickers or labels Battery capacity/power capability (mah/wattage) maybe differend from the reference picture but backup of battery will be same as Please match your product with the image provided before placing the order help 24hr Seller Warranty: All products across the store warranty.