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3D Printable Tool Batteries

Jeremy VanGelder

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posted 16 hours ago

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I was talking to someone who said there is a parametric 3D model that can be used to print batteries that fit any handheld tool. It can hold any number of 18650 cells. So I took a look for this model. I haven't found it yet. But I have found a model for making batteries that fit makita tools

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John C Daley

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posted 15 hours ago

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I have limited knowledge of these batteries.
What anf how are 18650 cells used please?

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Eric Hanson

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posted 14 hours ago

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18650 is a standard in batteries that show the size and general shape.

The 0 indicates a round cell

18 refers to 18mm, the cell diameter

65 = the cell height—65mm

18650 cells are the most common type of cell used in small battery packs.

Eric

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R Scott

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posted 13 hours ago

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I have seen a couple YouTube’s about it, but I never saw a good answer for the electronics built into modern tool batteries.

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Jeremy VanGelder

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posted 11 hours ago

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R Scott wrote:I have seen a couple YouTube’s about it, but I never saw a good answer for the electronics built into modern tool batteries.

It seem that you can buy Battery Management System (BMS) chips from China. Like this one. That is what Kasyan did when he built one. That might also mean that you could replace the BMS in an original battery if that has failed.

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Eric Hanson

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posted 21 minutes ago

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I thought I would add in a quick note:

There are all sorts of sizes and shapes of batteries as we all know. There is another size of Lithium cell that is somewhat common for larger battery packs. That size is 21700 which as you can probably guess is

A round cell

That is 21mm in diameter

And is 70mm tall.

The numbers might not look like much, but these batteries a quite a bit larger than the 18650s.

Eric

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