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SkyDro

Fatshark 18650 FPV battery case

by SkyDro Oct 12, 2016
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PRO TIP: Increase size by 1% ( especially with PETg ) Works perfectly now!

New version with led done.

Find it here: http://www.thingiverse.com/thing:2038043

Fatshark 18650 FPV battery Case with LED
by SkyDro

Can you make a version without the hexagon cutouts along the sides & with the clip on the opposite side? I still like to put the battery in the fatshark slot with the clip facing outward, but doing this puts the batter & balance cable at the back.

do you have an edit for this for a 3x 18650?

Not at this moment because i am working on V2 of this one with led indication.

How is V2 comming along?

Draining a lithium battery below 3V will cause the IR to rise irreversibly(less current can be drawn safely). It can also cause the battery to vent(bad thing when on your face) due to the pressure build up. Only LiHV batteries can be charged to 4.35V. If you charge a LiIon to anything above 4.23v will cause damage and eventually venting and sometimes fire. However, the design of this cause is very nice and will definitely be very useful.

Hey , thx for the reply, but if you look at the datasheet of the li-ion cells i have it says charging voltage 4.35±0.05v
http://gamma.spb.ru/media/pdf/liion-lipolymer-lifepo4-akkumulyatory/ICR18650-30B.pdf check page 3.

Although that may be the case for your battery, you must keep in mind not all batteries are made by samsung. Here is another common battery https://engineering.tamu.edu/media/4247819/ds-battery-panasonic-18650ncr.pdf
You can't only trust a single source of information. I know for a fact that most lithium batteries are unable to be charged over 4.23v without permanent damage to IR.

This is so smart and has some cool stylish design, I have batteries laying around and don't know what to do with them, thanks man thanks.

Thx Moestone, glad you like it! I will be making a version to as soon as I get the led checker and the 9v step up so
you can use more capacity under 3.3v per cell so keep following...

Can you recommend a part list / build list? Or did you just snip off the cables off your old fatshark battery?

I added the required component in the details, I didnt open my old batt sinds its still working.
Took and old angled dc jack cut it off and took a balance lead from an dead lipo batt.

Ill try to get the video up of the build.

Well done. I wonder how I start to print the case. In which direction? Lying, standing?
greeting
Thomas

Thx! The best way to print them is standing with the solid on the buildplate.
Only used support for the clip because that would start in the air!