Laptop AC Adapter for HP 310744-002 Tip: 1.7mm * 4.8mm Adapter hasCE,ROHS,GS Input:100--240V, 50-60Hz Output:18. ... 5V, 4.9A Laptop AC Adapter for HP 310744-002 Guangdong, China (Mainland)Brand NameOEMModel Number310744-002Output ... --240V, 50-60Hz Output: 18.5V, 4.9A,90W AC Power Supply Adapter for HP/Compaq 310744-002Tip : 1.7mm * 4.8mm(Without ...