This was originally posted on APC forums on 10/8/2013
I just purchased an RBC battery for my APC power backup XS 1500. I'm trying to plug in the new battery and it's sticking just 1/4 inch from connecting. The new connector looks exactly like the old one, and it slides in just fine except for the last 1/4 inch (right where the side tabs would enter the connector. Is there a trick to this?