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Do you just wanna see what's inside one?
Well I'm gunna show you how to tear one of these battery packs apart.
PS: This is my first Instructable so bare with me!
Step 1: Step 1. Tools and materials required!
1. Utility Knife
2. Small straight screw driver
1. Xbox 360 Rechargeable Battery Pack
Step 2: Step 2. Cutting it open.
But I tried heating it with a blow drier for about 10 min and a Heat gun at work (SMT rework tool). And I either ended up melting the case or getting no where. Since Microsoft decided to glue / cement the battery pack case shut.
Anyways there is a seem on the center of the sides you just cut down the sides