Grab yourself a replacement battery for your Toshiba laptop. This battery is built with high quality cells that have been tested and is fully compatible with the listed laptop models. It is a durable replacement battery for your Laptop with outstanding durability and its performance is exemplary.This 6 cell lithium ion and 5200 mAh capacity battery will ensure you have enough power to run your basic apps for hours without having to be in the power outlets. In addition, it has been rigorously tested to conform to all standards to ensure its durability and performance.Capacity5200 mAh Voltage10.8v Compatible part numbersPA3634U-1BAS, PA3635U-1BAM, PA3635U-1BRM, PA3636U-1BRL, PA3638U-1BAP, PA3728U-1BRS, PA3817U-1BAS, PA3817U-1BRS, PA3818U-1BRS, PABAS117, PABAS178, PABAS228 Compatible ModelsPortege M800, M801, M802, M803, M806, M807, M808, M810, M820, M821, M822, M823, M825, Satellite L310, L311, L312, L315, L317, L322, L323, Satellite M301, M302,  M306, M307, M308, M310, M311, M320, M321, M325, M326, M327, M328, M332, M336, M338, M339, Portege T131, Satellite A660, A665, C650, L310, L510, L515, L537, L600D, L630, L635, L640, L645, L655, L670, M500, Satellite U505 Series Warranty6 monthsBox contentBattery, user documentation