Uploaded February 2024 | Updated September 2026, 3 weeks ago

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**Lithium batteries are dangerous! Don't do this at home without the proper training and equipment. This video is NOT a how to guide.**

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Timestamps:
0:00 Intro
0:37 Don't do this at home!
1:21 Cutting open the WORST battery I've tested
6:20 Detailed teardown
8:24 Cutting open the BEST battery I've tested
12:13 Swiss Roll vs Layered construction
13:25 Now things get WEIRD: GNB 80C
15:16 Multi-Cell, Multi-Tab Swiss Roll
15:58 More packs, more different: GNB 70C
17:31 All the different battery constructions
18:20 Time for something bigger: 4S 1300mAh
26:16 Access further data