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Portable Power?

battery power

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#1 Chuckles


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Posted 04 February 2014 - 04:20 PM

I was looking at this





Thinking that it might be valuable to have a Netduino Plus 2 attached and powered by it, and have that plugged into my AC outlet (I am in USA), so if the power goes out for any period my Netduino will keep running.


All comments appreciated.






#2 ShVerni


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Posted 04 February 2014 - 06:38 PM

I think that's an excellent idea, however the item you linked looks really expensive for what is essentially one of those portable backup batteries for phones. You can find batteries that have nearly twice the capacity for a third the cost on Aamzon:


It seems to me that the only advantages to the Maker Shed model is that many development boards can be screwed down onto it, and it comes with a bunch of different USB cables. So I guess it really comes down to how much those features are worth to you.


The only other thing is, the Netduino may not be able to supply as much current through the USB port:


However, that could be saying that computer USB ports only supply 500 mA, so the 1A provided from the battery may let the Netduino supply its maximum current.

#3 baxter


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Posted 04 February 2014 - 06:40 PM

That "Smart Power Base" seems way overpriced. You can get a decent quality 10,400 mAh battery with a wall charger foraround $25 (on sale). Buy a USB cable for ~$2 and make your own cable for hookup to your Netduino.

For some reason, I can't paste a URL except in a code box. Cut and paste needs to be fixed.

#4 Paul Newton

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Posted 04 February 2014 - 06:41 PM

Hi Chuckles,


Some of these devices don't allow you to charge them at the same time as drawing power - they are intended to be charged up and then taken out and about. If you want to use it as a standby power supply "UPS", make sure it can be left plugged in, and that it is safe to do so (I'm sure one of these will burn quite hot if it develops a fault)



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