Helpers Lab 90W 65W 45W Laptop Charger Compatible for HP Laptop Envy EliteBook TouchSmart Folio Pavilion Stream Spectre Zbook chromebook Notebook PC Adapter Power Supply Plug Cord - 4.5 * 3.0 mm- 19.5V 4.62A
12V-24V Suitable for Cars Trucks RV SUV BUS This power inverter for laptop can be also used in boat. Open you new 12 volt power world.
ø4.5 * 3.0mm (as shown in the Picture)
USB QC3.0 Fast Charging
USB Port with Quick Charge 3.0 is faster than common chargers. Give you a high speed.suitable for many electronic devices. Charge Smartphone, Galaxy ,Tablet, Power bank, Humidifier, Driving recorder while charging your laptop.
Meet these 4 conditions, our car charger can charge your laptop
- Your laptop charging interface is the same as shown in the picture (blue connector)
- The power of the cigarette lighter of your car is 12V-24V
- Your notebook Volts is 19.5 V
- Your notebook power does not exceed 90 Watts
You can check with the Output Voltage and Output Current on the label of your original charger or the bottom/back of your laptop.
The V stands for Volts and the A stands for Amps
Watts = Amps x Volts