My most recent contraption.
An overnight power outage a few weeks ago caused me to dig out my battery operated lantern.
Unfortunately, the 4 d cells in it had died, spooging out corrosive chemicals, causing corrosion damage too the contacts. So, I had to use a candle and flashlights.
My fix:
A 20v to 6v DC buck converter (6$, ebay), two harbor freight spade terminals, some CAD work on my previous designed DeWalt battery rack, and 3 hours print time with my Voron.
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Now I don't have to ever buy another D cell battery.
Oh, almost forgot. A similar battery adapter for my TS100 soldering iron. The thin, flexible cord is great, and not having to drag stuff over near an outlet is even better. No buck converter needed here. The TS100 likes the 20v supply directly from the battery.
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An insert to convert an old toolpouch into a soldering iron case.
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