Sphero Sprk+, BB-8, and BB-9E Battery Replacement

I was always intrigued by the Sphero bots. Now it seems most have been discontinued and a lot are nearing end of life, with the only thing holding them back being a bad battery. This video shows what to do and not do if you plan to replace your own battery. Inspired by this video:    • How I Opened A Sphero SPRK+ And BOLT  Part 1   00:00:00 Intro 00:01:10 The Balls 00:04:10 Tools used 00:09:30 Cracking it open 00:10:42 Internal disassembly 00:14:00 The Batteries 00:19:00 Swapping old for new 00:28:30 Reassembly 00:39:00 Charging new battery 00:42:00 Cracking it open - the better way 00:54:00 Best way to seal 00:57:45 Bonus - Troubleshooting 01:05:15 Bonus - Use Glue 01:06:05 Bonus - Play time