How to convert 3xAAA Flashlight to 18650, 18500 Li-ion Battery

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This video show how you can convert a 3xAAA battery flashlight to using a rechargeable Li-ion 18650, 18500 or 18490 battery with a 3D printed adapter.

STL file for 3D Printing:

Blog:

Background Music:

No.10 _A New Beginning - Esther Abrami (Youtube Music Library)
  1. Cavy-Lab
  2. lithium
  3. li-ion
  4. power
  5. how to make
  6. diy
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Комментарии
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You can use an empty shotgun shell. Trim if needed.

dragan
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I never had to take the spring out, the battery fit mine with no modification.

Adamisgood
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Even if you did that with the Statue of Liberty flashlight rechargeable LED conversion is a great idea all New Yorkers and Americans love.

sharptoothtrex
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is that unprotected 18650? dangerous, dont you think?

ApocGuy
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a good pick gets those end caps out easily without the mess

thagedorn
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Is this safe? Or there is a safer alternative? I read some stuff about litium and 18650 that now inm bit scared. I have some FST 18650 2600mah

FaccioBaldoria
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Why are those batteries both ends flat? I have 18650s too and they have the tips like normal ones

Hoodini
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How about the brightness because u replaced 4, 5v to 3, 7

FreeKanal
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Hi. I am. Watching. To. See. How to. Convert a. AAA to. a. single. cell.

sherwinsalvatori
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No need to do that 3d print, just use rubber bands in each ends.

kuyajosephtutorials
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Hi. Nice work but is it okay without any current limiter? I believe the current draw is greater than 3x aaa which will make it brighter n will destroy the led.

marndani
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Sorry to burst your Bubble dude. It took me a split to solve that gap issue. You know those rubber seals That you replace on garden hoses. Just use one of those rubbers and slide that around the battery and then put the battery inside the case problem soft.

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