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#51
I have Mae Lyne's laptop set to never sleep also. We just turn it off when we are finished. She uses her screen on the next to the most dim setting. She has her display turn off after ten minutes. She turns her display off using the function key when she leaves the computer for any reason.
Here are some links for Acer batteries. I don't remember which model Acer you have. YOu can do a Google search for "acer batteries".
9-cell battery for Acer aspire one | Eee PC - Blog
Acer TravelMate, Aspire, Extensa, Ferrari,Acer Note and Acer Note Light notebook batteries
Amazon.com: Super-Capacity Li-ion Battery For Acer Aspire One Series replace UM08A73 Laptop Notebook Main Battery [ 7200mAh 9 cells Black ]: Electronics
Hope this helps. :)
Oh, we don't have a battery case cover either. I don't even know if there is one available. It is not important to me.