South West Makers

These are a bit longer than a D Cell battery and can hold around 5500mAhr at 3.7V or 20.35WHr of power.

I purchased 4 of these 143gm TrustFire babies recently from dx.com - just to have a play with.

I knew the battery tabs from element14 would take some adjusting, so I just did a quick mock up design and print. Sure enough, I found I had to lengthen the holder by a further 2mm and strengthen the ends to cope with the clip tension:



It took around 1.4hrs to print out on a Felix printer:



A nice evening project.

Really impressive Paul. Looks great.

Nice work Paul!

PLA? I'd need that 2" thick to pull 2C I'd reckon Great tweak though! What are you going to use these cells for?

Keep up the good work.

Hi BJ,

might help if I tick 'Notify when a reply is posted'.

Yes, PLA. Not too sure what I might use them for. Maybe the GIS-Pi project? I did see a number of battery sellers at the Shenzhen SEG building. Some had some handy flat battery packs. I wanted to purchase a number of them so I could mount them under the circuitry, as opposed to adjacent too. This would help with the size issue I have with GIS-Pi. of course, if I just bung the batteries into the back pack, and have thick twin-flex wire running to GIS-Pi, that would work too

I noticed that I haven't posted the battery Clip URL: http://au.element14.com/keystone/209/battery-sizes-accepted-aa-a/dp/908708

The STL file for these can be found here: http://www.thingiverse.com/thing:1577619

Nice Design Paul Well done!