High quality internal battery extended 9 cell main battery pack guaranteed to meet or exceed the original manufacturers specifications get extra performance product description 2 power internal battery laptop battery li ion 4600 mah device type laptop battery dimensions wxdxh 21 cm x 69 cm x 23 cm weight 315 g battery lithium ion 6 cell 4600 mah battery form factor internal batteries qty 1 manufacturer warranty 1 year w