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In previous posts, I “fixed” my UV5R which had a bad battery by soldering on a
connection by soldering on a power connector for a standard 9 volt battery. In
those photos, you could see that I just taped the battery to the back of the
case and used the belt clip to fasten it in place.
I felt like I could do a little better than that, so I printed a 3D case to
hold the battery.
I want to be really clear, I remixed a model from here: www.thingiverse.com/
thing:4779643
And used that to create my own model, which you can download here: https://
www.printables.com/model/286950-baofeng-uv5r-9-volt-battery-holder
Essentially, I took the original author’s battery cover for using two
cylindrical batteries, and I used blender to make a flat spot in the center for
my 9 volt battery. It took me longer to load their model then to edit it for my
own use. I used the standard cut modifier and “cut” a rectangle shaped block
from the case, then deleted the rectangle.
I ran the exported STL file through Slic3r, with my settings for my Colido 3D
DIY printer that I have previously posted on this site. After that I spent
hours dusting off and re-aligning my 3D printer (which was left neglected for
over a year), and printed the model, twice.
The first print actually messed up and was split in half. Looks like the belt
slipped after it built the lower half, and then it continued to build the upper
half out of place, creating it slightly off to the side. Whatever the problem
was, the second print came out just fine.
It does require that you solder in some battery posts at the top and a 9 volt
connector inside the case, but that’s pretty easy to do and I had it worked out
in a few minutes. I did get mine a little too hot, and started melting the PLA,
causing the pads to “droop”, but they still make a solid connection.
If you also have a Baofeng UV5R with a bad battery back, you might try printing
this instead of buying a new battery. It’s pretty handy, although the
performance is a bit poorer overall on the 9 volt than having the actual
battery pack.
Linux – keep it simple.