Input Voltage : 100-240V 50-60Hz,Output: 19.5V 16.92A (Compatible with 16.9A 14.36A 11.8A) Power:330W (Compatible with 280W 230W) Connector: 5.5mm x 1.7mm Compatible with acer predator helios 300 charger 330w GERVGHS 330W Laptop Charger Compatible with Predator Helios 18 16 15 300 500 700 PHN18-71 PH18-72 PHN16-71 Nitro 16 AN16-41-R7FA, AN16-41-R5KC, AN16-41-R1WE, AN16-41-R9ZH, AN16-41-R4CY, AN16-41-R62L,Predator Helios 18 PH18-71-94F1, PH18-71-76B3, PH18-71-940Q, PH18-71-756U Laptop. What you get:1 x 330 Watt AC Adapter & 1 x 3 Prong Power Cord. Compatible with acer predator helios 18 charger NICE: The 330w laptop charger is safety certified and and solid design. Include numerous safety mechanisms, including protection against short circuiting, over voltage, over current, and internal overheating. Compatible with Acer