Uploaded August 2026 | Updated September 2026, 2 weeks ago

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Where were these batteries manufactured? To be honest, I had expected them all to be from China, but that was not the case. This came up in a discussion with my YouTube buddy Brand 64, so I checked the batteries I had close to hand. youtube.com/@johnwynne-qx6br

Related playlists
Battery related videos youtube.com/playlist?list=PLA5a2xPRSrB2cHJykNzwXuKjxSNKc56BU
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rightbattery.com/lipo-liion-life-batteries
An example of the number string could be 552025. That would mean it was 5.5mm thick, 20mm wide, 25mm long.
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