Nitro5 AN515-57-Why my adapter is 180w but voltage only have 15.550V?

AN515_58

why my adapter is 180w but voltge only have 15.550V?

[Edited the thread to add model name and issue detail to the title]

GAMING6698

https://community.acer.com/en/discussion/723068/nitro5-an515-57-why-my-adapter-is-180w-but-voltage-only-have-15-550v

The reason your adapter is rated at 180W with a voltage of approximately 15.55V is due to the relationship between watts, volts, and amps. The wattage is a product of voltage and current. It's not unusual for adapters to have a specific voltage, and the 180W rating is just a measure of the total power it can deliver at that voltage. 

A typical 180W laptop charger, including your is rated at 19.5V and 9.23A, provides a 19.5-volt output to charge the laptop. You are getting 15.55V probably because charger adjust output based on load conditions. However, gaming increases power demand, which might trigger the charger to supply its maximum voltage if the device requests it. The 180w rating on the charger indicates the maximum power it can deliver, not that it will always deliver that much power.

Your laptop charger is

• Voltage (V): 19.5V
• Current (I): 9.23A

Wattage Formula:
P=V×I

Calculation:
P=19.5V×9.23A=180.135W

This calculation shows that the wattage of your laptop charger is approximately 180W, confirming that wattage is indeed the product of voltage and current. There's nothing wrong with your laptop or charger.