ASUS compatible 9-Cell 11.1V 7800mAh High Capacity Generic Replacement Laptop Battery for N73SV,N73SW,N73V,X77,X77J,X77JA,X77JG,X77JO,X77JQ,X77JV,X77V,X77VG,X77VN,X7BJF,X7BJN,X7BJQ,X7BS,X7BSN,X7BSV,K73BR,K73BY,K73SJ