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Metz 45 Flash gun Li-ion 18650 Battery Holder
Li-ion 18650 battery holder for Metz 45 flash gunMaker/DIY
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I got one AA battery holder with my flash gun (Met 45 CL-1) and it was partially broken.
Considering the price of original rechargeable holder and the fact that 4 18650 batteries can fit in the same place it was inevitable... :)
First design i did was with laser cut plywood stacked to desired height. It works and I'll put the files up but i knew it could be so much better.
So here it is. Printed in PLA as my first serious PLA print ( i printed with ABS before ) I think it looks ok. In pictures I need to add the last contact connecting all four pads on the bottom together.
Also there is comparison with factory AA holder for 6 AA batteries and wooden plug i made for external 9v power supply...
Fusion 360 project: http://a360.co/2ixn7QX
Materials and methods
Printed on raft with PLA 0.15mm layers
To finish it you need to glue it and cut aluminium contact pads from thin aluminium sheet. Soda can is too thin i think but you can try. I used aluminium from deodorant spry can (make sure it's empty first!!! ).
Some cleanup and filling will probably necessary because i wanted good fit.
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Hey Lucb. Flash is behaving normally, fast charging but not too fast witch would make me worry about internal components. I don't really have lot of experience with normal batteries so i can't give you direct comparison also my 18650 are of low quality and don't have protection circuit in them so i am really careful not to discharge them too much.
If you can't get access to 3d printer (Facebook friends in your community or university close by (you'd be surprised!!)) look at shapeways or i also have version for laser cutter. Not as neat but better then buying AA's. I also use external 9v power supply (you can see the picture) maybe that can solve some of your needs.
Think you read my mind, I was looking how to retrofit the 18650 in the Metz 45..can you share how perfoming those batteries were..
And looking to buy a couple since I don't have a 3d printer