Laptop AC Adapter for HP 310744-002 Tip: 1.7mm * 4.8mm Adapter hasCE, ... 100--240V, 50-60Hz Output:18.5V, 4.9A Laptop AC Adapter for HP 310744-002 Guangdong, China (Mainland)Brand NameOEMModel Number310744-002Output ... DV8230, DV8230CA, DV8240, DV8290, DV8310, DV8320, DV8240US, DV8370, DV8400, DV8408, DV9000, DV9000EA, DV9000T, DV9000Z, DV9010, DV9010CA, DV9010EA, DV9010TX, DV9010US, DV9020, DV9020TX ...