[The Best Partner for Nitro 5 Gaming ]- This Nitro-5-Laptop-Charger has an output power of 19V 7.1A 135 Watt. The plug size is 5.5*1.7mm. It is perfectly compatible with Acer 135W charger ADP-135KB T, ADP-135NB B. It works with most Acer Nitro 5 Gaming Laptop. As long as your original Acer 135W power supply model is ADP-135KB T or ADP-135NB B, then you can use this Acer-135-Watt-AC-adapter. [Powerful Compatibility]- It works with (Incomplete list)Acer Nitro 5 Gaming Laptop N18C3 N18C4 AN515-31 AN515-41 AN515-42 AN515-43 AN515-51 AN515-52 AN515-53 AN515-54 AN515-56 AN517-51 AN515-57-584Y AN515-55-53AG AN515-44-R99Q AN515-55-52KW; Acer-ADP-135NB-B / Acer-ADP-135KB-T/ Acer PA-1131-16 PA-1131-05. [Do not buy if your laptop requires more than 135W].