Uploaded February 2024 | Updated September 2026, 1 week ago

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Measuring the degradation (health / remaining capacity) of a 6.5 years old Li-ion LG Chem battery pack. It's 25.55V 2000mAh 51.1Wh 7S battery pack that was used in a Rowenta 25.2V cordless vacuum cleaner. It contains 7 18650 cells marked LGEAMF11865.

The vacuum cleaner video:
youtu.be/NuKNOV5SKN8

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