Laptop AC Adapter for HP 310744-002 Tip: 1.7mm * 4.8mm ... Input:100--240V, 50-60Hz Output:18.5V, 4.9A Laptop AC Adapter for HP 310744-002 Guangdong, China (Mainland)Brand NameOEMModel ... ,MoneyGram lAC Power Supply Adapter for HP/Compaq 310744-002 AC 100-Tip : 1.7mm * 4.8mm Input: 100--240V, 50 ... -60Hz Output: 18.5V, 4.9A,90W AC Power Supply Adapter for HP/Compaq 310744-002Tip : 1.7mm ...