CR20xx Coin Battery Storage for Gridfinity - Free 3D Print Model

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Hollow.Works

Tools>Organizers

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X1 Carbon

X1E

P1S

H2D

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H2D Pro

H2S

P2S

H2C

X2D

A2L

A1 mini

0.2mm layer, 2 walls, 15% infill

Designer

11.1 h

2 plates

5.0(103)

0.2mm layer, 2 walls, 15% infill

12.6 h

3 plates

4.8(5)

Open in Bambu Studio

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630

2385

175

2.2 k

983

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Description

CR20xx Coin Battery Storage for Gridfinity

Organize your coin batteries with this set of Gridfinity-compatible storage trays designed for CR20xx series batteries! This collection includes models tailored specifically for CR2032, CR2025, and CR2016 batteries, ensuring a snug and secure fit. Each tray is optimized for easy stacking and modular use with other Gridfinity systems, keeping your workshop neat and efficient. Whether you’re managing spare batteries for remotes, key fobs, or electronics projects, these holders will keep them safe and accessible. Designed with clear labeling and smooth battery slots, they’re practical and stylish in any workspace.

Updated May 29 2025 with support for four additional battery types.

I've added 1x1x3u and 1x3x3u designs for CR2012, CR2020, CR2040 and CR2050 battery types. Download either the 3MF (for AMS painted versions) or the individual STL files.

One of my favorite Gridfinity storage systems is "Slim Parts Storage" by Alcia Alford (link below). I got a bit carried away with it and printed more boxes than I needed. So I started looking around for something... Aha! Coin batteries!

But there was a problem. The Slim Parts Storage boxes are designed for 3u tall Gridfinity boxes, and the existing battery storage models I found - especially for the CR2032 and similar 20mm diameter batteries, were all taller than 3u and wouldn't fit. So I made my own, as one does.

The Gridfinity bins in this collection sized for 1x1x3u and 1x3x3u, and are stackable, even when loaded with batteries! These models have been 'painted' for use with an AMS, but of course will print fine in single-color setups as well.

Currently it supports the following battery sizes:
Model Dimensions
CR2012 20.0 d 1.2 h
CR2016 20.0 d 1.6 h
CR2020 20.0 d 2.0 h
CR2025 20.0 d 2.5 h
CR2032 20.0 d 3.1 h
CR2040 20.0 d 4.0 h
CR2050 20.0 d 5.0 h

The filaments I used for the model pictured are SUNLU PLA Matte Gray, Bambu Lab PLA Matte Mandarin Orange, and Polymaker PLA Matte Pastel Banana.

Links

My other Gridfinity Coin Battery Storage models:

FreeCAD - 100% free and open source
https://www.freecad.org/

Highly recommended Gridfinity Slim Parts Storage system
https://makerworld.com/en/models/684691-slim-parts-storage-gridfinity-4-x-3#profileId-613405

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Boosts are greatly appreciated and encourage me to create and release more designs!

workshop organization

battery tray

coin cell battery

gridfinity compatible

Comment & Rating (175)

@Dastrix

Boosted

Print Profile

0.2mm layer, 2 walls, 15% infill

Works great, thanks!

The profile uploader has replied

@Hollow.Works

Thank you for the boost! Looks like you're using the same container system I am.

@user_219898720

Boosted

Hi, what storage box are you using? Unfortunately the link doesn't work anymore

Show original

@Hollow.Works

Replying to @user_219898720 :

I just tried it and it's working currently. If you want to search for it, look for "Slim Parts Storage - Gridfinity 4 x 3" by Alcia Alford: https://makerworld.com/en/models/684691-slim-parts-storage-gridfinity-4-x-3#profileId-613405

@Zladukas

Print Profile

0.2mm layer, 2 walls, 15% infill

very usefull design ;-)

@josh.h

Isn't the 2450 too tall for the box? I was trying to find a 4u box to fit them but there seems to only be a 3u and a 6u.

@Zladukas

Replying to @josh.h :

It’s taller +1U, than others, that’s why used sponge. Rugged box is generated from parametrized gridfinity page somewhere in the internet…

@Rexstuff

Boosted

Print Profile

0.2mm layer, 2 walls, 15% infill

Added ironing to the inside top surfaces. turned out great.

The profile uploader has replied

@Hollow.Works

I considered adding ironing settings to the profiles, but in my experience the ironing settings can vary a lot depending on machine and material, and if the settings are wrong they can make things look much worse. But once someone has their settings dialed in well, it can make a huge improvement in the appearance of a print! Love the start dark/light contrast you've used.

@Rexstuff

Boosted

Replying to @Hollow.Works :

Yeah, makes sense. I'd hesitate to publish it with ironing too. Or at least I'd only have it as an alternate profile.

@GMResinCreative

I was very happy with these containers... but unfortunately, and I don't understand why, it split!!! Printed with X1C

The designer has replied

Show original

@Hollow.Works

The wall thickness where that split happened is 1.0 mm, which is pretty typical for Gridfinity bins. But there are two other things going on here that might contribute to this. 1) This is near the transition from the 'solid' area of the bin to the 'walls only' area. As the plastic cools, the top of that solid area will shrink a small amount. This in turn can put some stresses on the area where the wall meets the solid area. This is the cause of what is called a "hull line". Those stresses weaken the wall at that point. 2) The filament changes to yellow and back for the lettering would have given the dark layers more time to cool, so when the next layer of dark filament was added, it didn't stick as well to the previous line, causing weakness at that layer. Possible solutions: turn off the part cooling fan in that area, or increase nozzle temperature by a few degrees.

@GMResinCreative

Replying to @Hollow.Works :

Thanks for the explanation! I'll try

Show original

@Steckdosenau.to

Boosted

Love it!

The designer has replied

@Hollow.Works

Thank you for this and all the other boosts! Very much appreciated!

@ThePsion5

Print Profile

0.2mm layer, 2 walls, 15% infill

Printed perfectly with black and blue PETG!

The profile uploader has replied

@Hollow.Works

Looks great!

@botpotato

I printed all of them and they are amazing, could you please make some for 2450 and 2477 by any chance? Thank you!

The designer has replied

@Hollow.Works

I've got a shoe box full of random assorted batteries, and I have no clue where many of them even came from. Yet somehow I don't have either of those two varieties, and didn't know they existed! I'll look into doing some similar containers for those sizes. Given their 24mm diameter I don't think it will be possible to get them into a 3u tall Gridfinity size while keeping the stackability, so it might be necessary to go 4u or 5u tall. Thanks for the support and the suggestion!

@botpotato

Replying to @Hollow.Works :

Those batteries are mostly used in smart home modules from Sonoff and others that use eWeLink components that work with Zigbee Home Assistant, I didn't know those existed either before I started getting into self-hosted smart-home stuff. Thank you very much for your reply!

@Hollow.Works

Replying to @botpotato :

Ah, in that case this may have been a very timely request. I've got a bare-bones Home Assistant setup here and just last week started shopping for a Sonoff Zigbee motion sensor. I designed some 'slug' CR24xx batteries real quick and am printing them now to help me visualize and test as I go along. There are several other projects underway (my wife wants kitchen drawer storage, so I've got my hands full!) but these batteries are officially on the to-do list now :-)

@skelone

Print Profile

0.2mm layer, 2 walls, 15% infill

looks beautiful and everything fits perfectly

Show original

@FeelsGouda

Print Profile

0.2mm layer, 2 walls, 15% infill

I don't even need thst many coin cells 😂

@alexsperlingz

Print Profile

0.2mm layer, 2 walls, 15% infill

Very nice print, now my button cell batteries finally have a place

Show original

License

This user content is licensed under a Standard Digital File License.

You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.