The replacement AC adapter SK90190342 is a universal 19V, 3.42A power supply suitable for various brands such as Acer and ASUS. This black adapter is designed to work with a range of devices, including Chromebooks and Acer Aspire laptops. Made in China, this AC/Standard adapter is a reliable and efficient solution for keeping your devices powered up and ready to use. With its compatibility and high-quality output, it is an essential accessory for any computer user in need of a dependable power source.