Listed below are Acer Nitro AN515-31 chargers for all known models with this graphical powerful notebook series, just simply check your model which is located on the base of your laptop and then select below and this will display a picture of the Acer AN515-31 charger needed, along with the full specification of the Nitro AN515-31 ac adapter, if you full model is not listed below, then simply select the short version of Acer Nitro AN515-31 charger as this powers at 135w and outputs 19v 7.1a and fits every model with this series.