Battery Type:Li-ion Color：Black Voltage: 11.1V Capacity: 4400mAh
Compatible Part NO: 6-87-W540S-427, 6-87-W540S-4W41,6-87-W540S-4U42, W540BAT-6
Fit Laptops: W540, W540EU, W54EU, W550, W550EU, W55EU
New from manufacturer. CE/FCC/RoHS certified for safety.
12 Months After Sales, 30 Days REFUND Promise, 24 x 7 Email Support.