I have used this battery over two months by now and it works great, longer battery life. I have set my lenovo laptop to energy saver settings. I work uninterrupted for more than 5 to 6 hours.
This laptop battery is made from the highest quality cells and parts, and has been rigorously tested to ensure it's fit for your IBM Lenovo Thinkpad R60 R60e R61i T60 T60P T61 T61P Z60M Z61E Z61M Z61P R500 T500 W500 Series, Thinkpad R61e (15.4 inch screen) R61i (14.1 15.0 15.4 inch screen) R61 (14.1 15.0 15.4 inch screen) T61 (14.1 15.4 inch screen) T61P (14.1 15.4 inch screen) Series. (Remark: This battery does not compatible with IBM/Lenovo 14.1" 16:9 widescreen laptop.If you want to order the 14.1" Widescreen Laptop batteries, please contact us at firstname.lastname@example.org.). 100% Compatible with Part# 40Y6795, 40Y6797, 40Y6799, 41N5666, 92P1128, 92P1130, 92P1132, 92P1138, 92P1140, 92P1127, 92P1129, 92P1131, 92P1133, 92P1137, 92P1139, 92P1141. It has been specially designed to meet the power needs of your laptop and will help you power up your notebook in the office, business trips or vacations. Here we go!