In a quiet environment and in specific ambient conditions, a high-pitched sound may occur due to the vibrations and friction of power components on the circuit board. This high-pitched sound is a normal physical phenomenon and does not affect your notebook's safety and performance.

XPG notebook battery is strictly tested and has automotive power off protection design. To prolong your battery life, we recommend shut down your notebook when not in use to prevent notebook in long time standby situation, or unplug your AC adapter when your notebook is long-time storage not in use. Please prevent constantly changing your notebook under high voltage and avoid storing your notebook in high temperature and damp conditions.

According to the definition of Power Delivery, the output of Type-C must be 10-100W. Notebooks with Thunderbolt 3 or higher specifications can support 5V/3A PD charging.