https://stream.echo6.co/videos/watch/b6d3bb5a-f07c-4d8b-9ac2-5518d3f82af7 What's inside a 9V Alkaline Battery? Are they all created the same? Is Duracell better than Energizer? Dave opens up Duracell, Energizer, Varta, and a no-name generic Alkaline 9V PP3 battery. Previous video on ionic resistance: http://www.youtube.com/watch?v=fJSNAyMmNGk 1:58 - Duracell Coppertop 9V teardown 3:15 - Energizer 9V teardown 5:17 - Varta Longlife Extra 9V teardown 6:59 - Coles Advanced Plus 9V teardown 9:25 - Pile construction patent 11:29 - Pile construction closer look Forum: https://www.eevblog.com/forum/blog/eevblog-518-9v-alkaline-battery-construction/ EEVblog Main Web Site: http://www.eevblog.com EEVblog Amazon Store: http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/ Wed, 10 Jun 2026 07:16:19 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/b6d3bb5a-f07c-4d8b-9ac2-5518d3f82af7 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.