Acer Answers

Acer Aspire E5-473 series battery may discharge quickly

Acer has released BIOS update v1.09 to improve battery performance. Use the following steps to download the latest BIOS for your system:

Visit the Drivers and Manuals section of the Acer support website.
Enter your Serial Number/SNID or search for your product by Model.
Select the BIOS tab, then click the Download link for BIOS version 1.09 (or later).