Laptop’s battery

来源: 于 2009-11-28 12:30:45 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

When directly connecting the electric source on the wall, is the battery of Laptop still working? That is, if doing the best to directly connect to the electric source on the wall, is it helpful for extending the life of the battery?