BTW, if anyone is in the market for a name brand high quality 20,000 mAh lithium-polymer power bank I just noticed that the
PowerAdd Pilot Plus I mentioned a couple of posts back is currently offered on Amazon for $15.99 in white and $16.99 in black! That is a remarkable price and it comes with a 24 month warranty and unconditional 90 day refund policy. I paid about 23 bucks for mine quite some time ago.
The one thing to know about this power bank is that it has a weird design quirk. It feels like the top is the bottom and the bottom is the top, so that it can be a little confusing to get used to the orientation of the ports until you've used it a while.
The "top" has a basket weave texture and the "bottom" is smooth and has the kind of printing on it you would expect to see on the back of a power bank. If you look at the photo, you'll notice the plugs and writing over them seems like they are upside down and in a way I guess they are. It feels like it should be the other way around but just ignore this if you buy one. This is an amazing, powerful and very durable and long lasting power bank and it is safer than typical lithium-ion power banks that use 18650 cells since it is a lithium-polymer battery that has one big cell type battery inside like those used in quadcopters. For 16-17 dollars it is a true bargain which is why I'm posting about it.
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https://www.ipoweradd.com/collectio...ne-ipad-samsung-galaxy-note-and-tablets-white
https://www.amazon.com/gp/B00NGJK6NI