The Acer KP.13503.015 AC adapter supplies power to Acer devices. The catalogue identifies it as a wall power supply and describes it as AC ADAPTOR.135W.19V.1.7x5.5x11.
Its maximum stated output is 135 W, with a 19 V DC output. The connector is 5.5 × 1.7 mm, with no centre pin. The product description also lists connector dimensions as 1.7 × 5.5 × 11; the catalogue does not explain the final dimension.
Use it with an Acer device only when the stated output and connector match that device’s requirements.