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Woodstock battery bay

5E6A51FF-8398-4A13-8B6B-D6A334BE1B74Now we have two battery holders: one for the HP41 family and another for the woodstock family. However, the one for the woodstock family is different. The HP41c always had battery holders that could work with separate batteries (type N - never put A24 types or you will destroy your unit! I have received many with this problem), apart from the accu-pack that HP marketed; but the Woodstock family, as far as I know, used a battery pack only - there was no way to use normal batteries - unless you performed surgery in your pack. So ours is an easy way to stop using the original pack and use cheap, commonplace AA batteries.

For the sake of making things safe, we printed the + and - sign on the pack, so that you know what should be the polarity of the battieries inserted. These come in an out quite easily due to the elasticity of the polymer at this particular thickness. It took us several different thickess 3D-prints until we found that point.

The only thing that I sorely miss is the beige color. When we designed the part, there was beige as an option - but it was taken out of the options when it was time to start the tests. Damn!

 

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