Dremel 770 Type 1 Battery Repair / Replacement

How to pry your way into and rebuild the Dremel 7.2 volt No. 757 NiCad battery pack used on the old Dremel 770 Type 1 MultiPro Cordless 2-speed multi tool (not the later model 7770). David Printz's Instructable (thanks!) https://www.instructables.com/id/Drem... Amazon affiliate link for the replacement NiCad batteries: https://amzn.to/2Z2ed36 And the tiny pliers: https://amzn.to/2D8pJ3F