Kobalt battery repair

A not-so-quick demo of battery pack repair. Most of these battery packs operate under the same general principle. I hope this video helps you with your repair effort. Some of the tools used: Security screw bits - https://amzn.to/3WvDgdx Soldering stuff - https://amzn.to/46zLu8X Multimeter - https://amzn.to/3A6J5Xb Replacement cells - https://amzn.to/46wtah2 I may earn from qualified purchase made via the links above. Thank you. 0:00 Kobalt 80v battery intro 0:28 symptoms of damage 0:40 possible cause of not charging 1:15 open battery pack 2:20 testing capacity cell-by-cell (expected 3.7-4.2V) 3:35 extracting bum cell 4:45 carefully remove plastic rim 7:30 showing an underpowered battery spot welder 8:00 soldering "new" battery into place