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Watts-on's "SpringSlot" 18650 Battery Holder
#21
(08-31-2018, 03:05 PM)watts-on Wrote: I have had this idea bouncing around my head for a while now, but since I've decided to build one ( or some  Smile  ) of Brett's Charge/Discharge Testers, I just didn't fancy using any of those single 18650 holders.
So I thought it was time to turn my idea into reality:



It has a spring loaded lever that allows you to effortlessly insert or remove a cell just by pressing it.

Some exploded Views:



I have attached the STL files if anyone wants to 3D print their own.

edit:
Re-uploaded the attached zip file as a forgot to add all the files to it.

Also, I did a YouTube video too.  Hope you like it.  Go easy on me though, it's my first one ever  Big Grin



Wow, I so want a 3D printer. I don't suppose you would sell some?

I want to redo my 20 slot TP4056 charge bay and these would be super cool. Maybe also 5 slot modules would be neat.
psuggmog likes this post
UK Southwest.

7 kWp Solar Panels (28 x 250Wp Shinetime Mono).
14 X APS YC500i Micro Inverters.
28 X 40P 18650 cell packs/modules configured as 14S 80P.
Sofar Mass Energy ME3000SP AC coupled charger/inverter.
Still sourcing and processing cells for powerwall.
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#22
(09-22-2018, 07:17 PM)chuckp Wrote: Wow, I so want a 3D printer. I don't suppose you would sell some?

I want to redo my 20 slot TP4056 charge bay and these would be super cool. Maybe also 5 slot modules would be neat.

You're not the first to ask, but to be honest, I'm not really setup for mass production.  Smile
I'll think about it though...
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#23
(09-20-2018, 04:50 PM)watts-on Wrote:
(09-18-2018, 08:38 PM)brettwatty Wrote: Mate that is genius and awesome. I need some for my Charger / Discharger. Now to buy a 3D printer. Hmmm will my wife let me hmmm.........

Thanks mate.  I'd send you a set, but postage from the UK is going to be eye watering.

Pete's a lot closer, and he's got a shiny new printer and needs something to practice on...  Big Grin

Sweet look forward to it mate. Bugger now you have forced me to build another Charger / Discharger.  Wink
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#24
(10-03-2018, 02:02 AM)brettwatty Wrote: ...Bugger now you have forced me to build another Charger / Discharger.  Wink

You're welcome mate, you can never have too many cell testers  Big Grin
Package is on its way..
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#25
(08-31-2018, 07:11 PM)Crimp Daddy Wrote: Very cool, i'm always impressed by these home brew DIY creations.

I could buy a 3D printer right now, what I can't buy is some 3D CAD skills...

I was worried about that too. Tinkercad (tinkercad.com) is the simplest way to get started - it's got a very simple interface and almost no learning curve.

Worked for me so far.

Cheers, Paul
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#26
(08-31-2018, 03:05 PM)watts-on Wrote: I have had this idea bouncing around my head for a while now, but since I've decided to build one ( or some  Smile  ) of Brett's Charge/Discharge Testers, I just didn't fancy using any of those single 18650 holders.
So I thought it was time to turn my idea into reality:



It has a spring loaded lever that allows you to effortlessly insert or remove a cell just by pressing it.

Some exploded Views:



I have attached the STL files if anyone wants to 3D print their own.

edit:
Re-uploaded the attached zip file as a forgot to add all the files to it.

Also, I did a YouTube video too.  Hope you like it.  Go easy on me though, it's my first one ever  Big Grin




Does anyone have a list of links to the vitamins for these?
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#27
Found this just now.
Looks like it can carry double contacts for a 4-Wire connection as well.
(Ya know, for IR Measurement)
1 kWp in Test
4 kWh battery target - plus Mobile Home battery
Ultra low cost
Electronics ? No clue. Am machinery engineer.
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#28
(12-10-2018, 01:40 AM)chiphead Wrote: Does anyone have a list of links to the vitamins for these?


Erm… Not sure I understand that question.  Confused

(12-10-2018, 08:21 AM)Cherry67 Wrote: Found this just now.
Looks like it can carry double contacts for a 4-Wire connection as well.
(Ya know, for IR Measurement)

Yeah, you could use two ring tags on each of the two screws, one for current and the other for sense.


Has anyone printed any of these yet? Feel free to post pics.  Smile
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#29
sorry  vitamin = non-printer parts in a printed project.

hardware.  The sizes and type of nuts and bolts etc.


Printing in eSun Black PETG on my enhanced FFCP
2 down 26 to go
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#30
(12-10-2018, 05:02 PM)chiphead Wrote: sorry  vitamin = non-printer parts in a printed project.

hardware.  The sizes and type of nuts and bolts etc.


Ah OK, not heard that term before.
I've edited the top post to included the "vitamins".  Smile

(12-10-2018, 05:02 PM)chiphead Wrote: Printing in eSun Black PETG on my enhanced FFCP
2 down 26 to go

Cool. Thanks for posting. Looking forward to seeing the finished product.  Smile
chiphead likes this post
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