Quote:
Originally Posted by =X=
That is good advice since the external battery does work for other devices.
However you have to consider an extra battery will instantly have the device at full charge without having to tether the device to anything. For some that is all important.
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Yes, that's true, but you can charge it while in your pocket or wherever you keep it, and disconnect the cable when you want to use it. I think the advantages outweigh the disadvantages.