Get from Amazon.com : https://www.amazon.com/gp/product/B006OU9LUA?tag=bromabakery0d-20
Bavvo 9cell Laptop Battery for IBM Lenovo Thinkpad 41 40Y6797 T60 T61 R60 R61 R500 W500
Product Description :
High quality brand-new Li-Ion batteryVoltage 108v Capacity 6600MAH 9 cells
30-Day Money Back Guarantee 1 Year Warranty
OEM compatible High capacity battery certified by CE and RoHS This battery was tested and proven to match andor exceed original specifications of IBM products
Before purchase please make sure all the technical specifications and the model No match with your laptop battery
If your original battery is a 6-cell battery this 9-cell battery has much higher capacity and works longer hours after each charge However it is bigger and sticks out due to the extra 3 cells It will still fit in your laptop