Your safety comes firstOur chargers are UL and FCC certified. UL certification automatically regulates current and provides comprehensive protection against overcharging, overvoltage, overheating, overcurrent, and short circuits, ensuring your laptop stay safe and worry-free Flawless CompatibilityFit for Acer Nitro 5 7 AN515-45 AN515-54 AN515-51 AN515-53 AN515-43 AN515-41 AN515-52 AN515-57 AN517-41 AN517-52 AN715-51 AN715-52 AN517-42, Fit for Predator Triton 300 PT315-52 PT315-53, Fit for Predator Helios 300 N17C1 -53 PH317-54 PH317-53 PH317-55, Fit for Predator Helios 300 SE PH315, Fit for ConceptD 5 CN517-71, ConceptD 7 Pro CN715-71P Laptop [Do not buy if your laptop requires more than 180w]