Rebuild 12V Battery for 9.6V Power Tool | Cordless Drill Restoration Bosch GSR 9.6V

I used to rebuild lithium battery pack 2S(8.4V), 3S(12.6V), 4S(14.4V) and 5S(21V). This cordless drill is 9.6V so I have 2 choices 8.4V or 12.6V. I decided to rebuild the battery 12.6V for this drill. The result is okay for me, the 3S battery pack could run this drill.

I appreciate your sharing experiences with this video.

I hope you find something useful & enjoy this video!
I am happy to receive your feedback, advice, suggestions to improve myself.
!!! I apologize for the mistake if I have made in this restoration !!!
***I still keep some parts, I want to save the world's environment***
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Видео Rebuild 12V Battery for 9.6V Power Tool | Cordless Drill Restoration Bosch GSR 9.6V канала Gear Show