Genuine Acer Aspire ES1-521 chargers are listed below for all known models within the Acer ES1-521 series of laptops, simply look below for your model of Acer notebook and this will show you a picture of the Acer ES1-521 ac adapter and the full specification, including compatible part numbers, due to vast amount not all will be shown, so we have also included a Acer Aspire ES1-521 charger series which will cover practically all models within this range.