DIY: How to Revive a dead Ryobi 18V Li-Ion cordless power tool battery, plan B

In this video, I will show you how to revive a dead power tool battery. In my previous video, I showed you a similar method but this one is different. Previously the dead battery still had about 6V (from 18V). This time, this Ryobi battery has ZERO volt. Nothing. Nada. I tried the parallel method as shown in my first video but it did not work. So this time I have go to extreme length to get it working again.
First video I did earlier to show you how to fix a Li-ion tool battery: https://www.youtube.com/watch?v=3e-RwVawEOs

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