Genuine Acer chromebook 514 chargers are listed below, both the 45w and 65w USB type C ac adapters are available, depending on model, so please look underneath your Acer chromebook and it will state for example Acer CB514-1H and you would need the 45w USB-C charger or the CB514-3H and this would need the more powerful 65w USB-C chargers, please note if unsure then either contact us or simply select the Acer 514 65w USB-C ac adapter as this supports all models.