Specifications for Acer Laptop Charger: Input 100-240V AC~ 4.5A, 50-60Hz (worldwide use). Output 19.5V 16.9A, Power: 330W. DC pin sizes: 5.5x1.7mm Speed & Safe Charger for Acer Laptop: This laptop charger delivers up to 330W power output (19.5V/16.9A). It ensures rapid, secure charging for Acer Helios laptop, letting you swiftly resume work or gaming 330W Laptop Charger for Acer Predator Helios: Compatible with Acer Predator Helios 18 16 15 series, PH18-71, PH18-71-94F1, PH18-71-76B3, PH18-71-940Q, PH18-71-756U, PHN16-71, PH16-71, PH3D15, for Predator Triton 17 X PTX17-71, For Acer PH317-56-70XJ N22C4 N22C3 Laptop 330W for Acer Laptop Charger Replacement: Compatible with Acer Nitro 17 16 15 series, Nitro 17 AN17-41-R7G3, AN17-41-R7GT, AN17-41-R5Y, Nitro 16 AN16-41-R7FA, AN16-41-R5KC, AN16-41-R1WE, AN16-41-R9ZH, AN16-41-R4CY, AN16-41-R62L Laptop P/N & Factory Model of Acer Charger for Laptop: ADP-330CB B, PA-1331-99, A20-330P1A, A330A012P 330W laptop charger fit for Acer