Finally got my Lumintop D3 adapter (and a spare for later) and it’s the best 26800 to 21700 converter tube you can buy. Everything just goes together flawlessly.

https://lumintoplighting.com/products/lumintop-d3-21700-inner-sleeve-conversion-tube-290

I was previously using 2x convoy button spacers and O-rings, but the o-rings get stuck on the way out because they’re so tight in there. This is so much better. Last picture shows my old setup.

by Humble-Plankton1824

3 Comments

  1. calmlikea3omb

    Nice nice

    I might grab a 26800 tube d4sv2 now

  2. antisuck

    I need like 5 of those, any idea where to buy some? The web site shows out of stock, and also out of the various D3 lights.

  3. HatsAreEssential

    Since these look to be disctinued, I will point out that you can find 21700 to 26650 adapter tubes on AliExpress. That plus the convoy button adapter might work better than using o-rings that get stuck.

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