Hold the battery pack in your right hand, with the open end facing the floor.
Holding the pack in your right hand, bring your wrist down hard on your left hand (as hard as you can without hurting your wrist)
Do that a couple times, and the batteries should land on the floor without needing pliers.
Went to Staples this afternoon in Prince George British Columbia.
In the Discount Bin, I found Fall-out 3 for the Xbox 360 for $17.47
Also picked up "The Pitt & Operation Anchorage" expansion for $14.97
About three of each remaining as of 1pm December 18th, 2009