Welcome to a laptop battery specialist of the Acer Laptop Battery
For starters, some machines only have one memory slot, which means your only stick of ram has to be a larger (and more expensive) one. Other machines don't allow for any kind of user upgrades at all. In the worst case, you can upgrade, but it involves removing the entire case, keyboard and motherboard with battery like Acer Aspire 1300 Battery , Acer BTP-APJ1 Battery , Acer BTP-AQJ1 Battery , Acer BTP-ARJ1 Battery , Acer BATCL32 battery , Acer BATCL32L battery , Acer Aspire 2000 battery , Acer Aspire 2016 battery , Acer Aspire 2200 battery , Acer BATBL50L6 battery , Acer AS10B71 battery , Acer AS10B75 battery .