TWB Premium Grade Generic Laptop Battery For Clevo W540BAT-6, W540EU TWB Batteries are the perfect choice that you can make for your computer. Very affordable, The best quality batteries on the market. Long Life durable Battery for your Laptop Battery Type: Li-ion Battery Volt: 11.1V Battery Capacity: 4400mAh/48Wh Battery Color: Black Compatible Battery Code: Clevo 6-87-W540S-427, 6-87-W540S-4W41 6-87-W540S-4U42, W540BAT-6 Fit Below Models: Clevo W540, W540EU, W54EU, W550, W550EU, W55EU Package Included: 1* Pcs battery What's in the box 1 X Laptop Battery