[Server-devel] external batteries

[Tim Moody]

I didn’t find the batteries I saw before, but this looks pretty good.

http://www.amazon.com/AmazonBasics-Portable-External-Battery-Charger/dp/B00LRK8JDC/ref=sr_1_22?s=wireless&srs=10112675011&ie=UTF8&qid=1425048233&sr=1-22
weighs 8 oz.  check my math, but at 10K mAh that should power a 3W 5V device for 16.67 hours in a perfect world. this one has two usb outs, so for devices with portable hdd there is a supply for the device and another for the hdd.
some of these take awhile to charge, so two smaller ones might be better, though more complicated.  not sure if you can charge and use at the same time, but input is separate from output.
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