Uploaded February 2024 | Updated September 2026, 1 week ago

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Analyzing a cordless Li-ion vacuum cleaner from a dumpster. What's inside and how does it work? What failed in it, why it was scrapped? Could it be fixed? If not, what useful components could be salvaged? Rowenta Air Force Extreme Vision Pro with a rechargeable 25.2V 2000mAh Li-ion battery pack made by LG Chem.

The battery pack teardown and capacity test:
youtu.be/sEVWvXhju3s

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