https://headway-lithium-cells.pages.dev/posts/ Recent content in Posts on Headway Lithium Cells https://tse1.mm.bing.net/th?q=headway%20lithium%20cells https://tse1.mm.bing.net/th?q=headway%20lithium%20cells Hugo -- 0.151.1 en Wed, 13 May 2026 00:00:00 +0000 https://headway-lithium-cells.pages.dev/posts/headway-lithium-cells/ Wed, 13 May 2026 00:00:00 +0000 https://headway-lithium-cells.pages.dev/posts/headway-lithium-cells/ I've been messing around with custom battery projects for years, but nothing quite compares to the versatility of headway lithium cells. They're those chunky, bright blue cylinders that look like giant D-cells on steroids, and if you've spent any