Product description compaq evo n600 series 2 power laptop battery li ion 4400m ah dimensions wx hx l 89mm x 20mm x 143mm weight 0 412 kg run time up to 3 5 hours manufacturer warranty 1 year warranty compatability guaranteed 100 compatible ac adapter available cua0002b carair adapter available cuc0001b long life external battery available ubp0767b ultra long life external battery available ubp0766b