... & competitive price 4.OEM order welcomed replacement li-lon Laptop battery for HP 6720Specification: Brand: For HP 6720Type:Li-ionVoltage: 10.8VCapacity: 4800mAh Color:BlackWarranty: one ... Compatible Laptops list:For HP/COMPAQ Business Notebook:8510p, 8510w, 8710p, 6720t, 7400 Series, 8200 Series, 8400 Series, 8500 Series, 8510w Mobile Workstation, 8700 Series, 8710w, 8710w ...