Gaisar-Morewer (TM) New Laptop Battery Pack for Toshiba Satellite M511 M512 M600-01B M600-02S M600-03B M640 M640-BT2N01 M640-BT2N22 M640-BT2N23 M640-BT2N25 M640-BT3N25X M640-ST2N01 M640-ST2N02 M640-ST2N03 M640-ST2NX1 M640-ST3N01X M645 M645-S4045 M645-S4047 M645-S4048 M645-S4049 M645-S4050 M645-S4055 M645-S4061 M645-S4062 M645-S4063 Series Laptop Battery [ Li-ion 9-cell 10.8V 6600mAh 71Watt-Hour Battery Color:Black ] Morewer Laptop Battery Pack for Toshiba Satellite M300 Toshiba Satellite M300-600 Toshiba Satellite M300-700-R Toshiba Satellite M300-900 Toshiba Satellite M300-J00 Toshiba Satellite M300-ST3401 ...( full list blow ) Replacement with Toshiba PA3634U-1BAS Toshiba PA3634U-1BRS Toshiba PA3635U-1BAM Toshiba PA3635U-1BRM Toshiba PA3638U-1BAP Toshiba PA3816U-1BAS Toshiba PA3816U-1BRS Toshiba PA3817U-1BAS Toshiba PA3817U-1BRS Toshiba PA3818U-1BRS Toshiba PABAS117 Toshiba PABAS178 Toshiba PABAS227 Toshiba PABAS228 Toshiba PABAS229...( full list blow ) Li-ion Technology 9-cell 10.8V 6600mAh 71Watt-Hour ( Battery Color: Black ) Buy from Morewer to ensure quality products! Ship next business day from our US Warehouse or Amazon Warehouse! Free Standard Ground Shipping Delivery to the 48 contiguous US States only. 12 months warranty, Lifetime Customer Services and Morewer Tech Support. Although we only able to offer One year warranty on our Laptop Battery Pack, because we are not give you the false promise that we cant provide. But if you choose Morewer, we will stand strong behind our products and give you undivided lifetime services and supports. Our Product may fail 1 in 2000 or more, but our services team will never fails. At Morewer, we strive to provide the best product,best prices and best customer services with the goal of creating lifelong Morewer customers.