Input: 100V - 240V 50 - 60Hz
Output: 19.5V - 4.74A
7.4mm*5.0mm pin
Compatible: HP compaq Laptop
Guaranteed to work on the following model : HP ProBook 4410s 4411s 4415s 4416s 4420s 4421s 4425s 4525s 4515s 4710s 4720s 5310m 4310s 4311s 4321s 4325s 4326s