Beginners Guide to Processing 18650 Cells | Cell Database



Poll: whats your favorite size portable power pack?
This poll is closed.
1 cell
0%
0 0%
2 cells
0%
0 0%
4 cells
60.00%
3 60.00%
6 cells
20.00%
1 20.00%
8 cells
20.00%
1 20.00%
Total 5 vote(s) 100%
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4 usb port power pack
#1
So i just bought a new power pack on ebay for $2.50 usd. Not a bad little unit since it came with a case marked 20k mah eith room for 6 18650s and a easy to solder circuit board. This will be my third diy power pack so its kind of addicting. It has a micro usb charge port and 4 usb outputs. Havent done any testing yet but looking foward to putting it to use.
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#2
Well, I don't have one at the moment since I don't have a use for one right now. But I did in the past I usually went for bigger ones like 6 or 8 cells. If I will need one at some point in the future I will probably build a small one but build it in such a way that the 18650s are easy swappable. So it will have basically unlimited capacity as long as I have charged cells available.
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#3
Cant vote. I use 1slot for light travel. 4 slot for flight and other and 8slot for long hikes and stuff... Tongue
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#4
I vote for the 4 cells. Occasionally I will build a single cell power bank. But 4 cells seems to be the best balance as far as portability and charge times go.

I have thought about building a monster 8 pack for traveling. I will put an external connector on it, so I can charge it with my iMax clone.
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