Chosen Solution

refering to: http://www.ifixit.com/Teardown/Apple-Wir… Hi. How did you actually release the battery terminal? The goal is to get it off from the button side or from the battery cap side!? tks..

Here’s the guide I wrote on this, your link is incomplete so I don’t know which one you were looking at, see if it addresses your question: Apple Wireless Keyboard (A1255) Teardown