Power4Laptops AC Adapter Laptop Charger Power Supply Compatible with Compaq Presario CQ57-404SL, Brought to you By POWER4LAPTOPS.
Overvoltage and Overcurrent Protection Circuits built in – In the event of a power surge the Power Supply will blow before it damages your equipment.
Output Voltage: 19V
Output Amperage: 4.74A
Power4Laptops Branded Replacement Charger – Unlike cheaper Power Supplies, Power4Laptops products are Electrical Safety Tested in the UK and CE Certified to guarantee your safety
Plug Size: 7.4mm X 5.0mm (HP Centre Pin)
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