Quote:
Originally Posted by Poppaea
Mine neither and it is not in the description.
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Yup. Kobo do not ship wall warts with Aura ONE.
The User's Guide states that a 5V, 500mA micro USB adapter can be used for charging. Chances are, any recent charger made for fast charging phones and tablets is rated much higher, from 1000mA up to around 2500mA. In principle this should not be a problem since it's not what the adapter can provide, it's what the device will draw. If it wants 500mA then it will pull 500mA regardless of how much the adapter is capable of providing.
In practice, cheap, no-name wall warts are junk. The power they deliver generally is not well regulated (choppy, spikey) and they are more likely to short out and cause permanent damage than reputable brands like Amazon and Anker. If you have a genuine Samsung charger then it should be good (I have two and they've exhibited no problems with any of my devices).
Also, it's been demonstrated that USB wall warts can be used to inject malware into devices being charged. I'm not saying that this is the cause of the unexpected data connection pop-ups (my ONE sometimes does the same with my Surface Pro's charger for no apparent reason since it's definitely power only) but it's certainly a possibility.
As for battery life, if you've installed firmware 4.1.x then you should have reasonable battery life. IME, maybe 5% drain while idle over a 24 hour span (that's an off the cuff figure; I haven't measured it). I found that I needed to perform a factory reset before installing 4.1.x. If you're using a sleep cover then you need firmware 4.2.8110.