** Product Description** Main Battery Pack 11.1V 5200MAH ** Warranty** 1 Year ** Function Battery Performs** Laptop, Main power battery for portable computers. ** Battery Chemisty** Lithium ion. Newer type of rechargable, giving best performance for a rechargable. ** Voltage:** 11.1 V. ** Capacity:** 5200 m Ah. ** Dimensions** 207 mm.