Is this 3D model free to download?

Yes, 18650 Li-ion replacement for Triple LR14 (alias UM2) Alkaline Batteries is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by Thinger13, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

18650 Li-ion replacement for Triple LR14 (alias UM2) Alkaline Batteries 3D printable model by Thinger13

18650 Li-ion replacement for Triple LR14 (alias UM2) Alkaline Batteries photo 1

18650 Li-ion replacement for Triple LR14 (alias UM2) Alkaline Batteries photo 2

18650 Li-ion replacement for Triple LR14 (alias UM2) Alkaline Batteries photo 3

18650 Li-ion replacement for Triple LR14 (alias UM2) Alkaline Batteries

Source: Thingiverse by Thinger13

The 18650 Li-ion replacement for Triple LR14 (alias UM2) Alkaline Batteries is a free printable 3D model from Thingiverse by Thinger13. This is an adapter to replace a triple LR14 (alias UM2) Alkaline battery configuration by a single 18650 Li-ion battery. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

30 saves Source: Thingiverse Updated 2026-10-11 License: CC-BY-NC · non-commercial Category: Home & Organization

Tags: 18650, battery, Li-ion, LR14, torch, UM2

About this model

This is an adapter to replace a triple LR14 (alias UM2) Alkaline battery configuration by a single 18650 Li-ion battery. I am using this adapter in my torch. However, doing so is not without its dangers. Do not use it in your device (e.g. your torch) if you are not technically familiar with the innards of your device, Li-ion batteries or electronics in general. Caution: - An electric device (e.g. a torch) designed for a triple LR14 (alias UM2) Alkaline battery supply is not fully suited for being supplied by a Li-ion battery, not event with this adapter: Such Alkaline battery-powered devices are (a) missing a Li-ion short circuit- and deep discharge protection (not required for Alkline batteries), and (b) a 3.7 volt Li-ion cell may not be sufficient to supply a 3x 1.5 = 4.5 volt requiremen…

Frequently asked questions

Is this 3D model free to download?: Yes. 18650 Li-ion replacement for Triple LR14 (alias UM2) Alkaline Batteries is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by Thinger13.
Who made this model?: Designed by Thinger13, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.