Power4Laptops DC Adapter Laptop Car Charger Compatible with Compaq Presario CQ57-451EV, Brought to you By POWER4LAPTOPS.
Plug Size: 7.4mm X 5.0 mm (HP Centre Pin)
Input Voltage: 12V DC
Output Amperage: 4.74A
Output Voltage: 19V
Power4Laptops Branded Car Charger
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