GAA1U3 is a 150 W AC adapter configured with a US power cord for the X500 notebook. It powers the notebook and charges its internal battery from an AC power source. The adapter accepts 100-240 V AC input and provides 19 V DC output at up to 7.89 A. The adapter measures 151.3 mm long by 75.6 mm wide by 25.4 mm high and weighs 485 g. Its output cord is 1,800 mm long, while the power supply cord measures 1,830 mm. These cable lengths support positioning the adapter between an AC outlet and the notebook while retaining a dedicated power connection. For X500 notebook deployments that need AC operation and internal-battery charging, this adapter includes the country-specific US cord needed for local outlets. Order GAA1U3 when the required cord configuration is US and the notebook requires the specified 150 W, 19 V DC power supply.