Genuine Asus K401 laptops for all known models within this series of notebooks are listed below, please simply select your Asus K401 charger from below and this will show you the full specification of the ac adapter, all Asus K401 notebook chargers include power adapter and mains cable lead with plug. If your model is not listed then simply look at the Asus K401 charger as this will fit most models and match it against either your broken charger or the underneath of your laptop.