Is ELF (extremely low frequency) radiation emitted by the electrical appliances' battery's current considered to have adverse health effects, or is this radiation too low to be considered?

I'd like to keep the focus specifically on mobile phones and tablets, and please take in account that those devices are put on 'airplane mode' to eliminate the RF radiation emitted by 3g and Wifi.

Therefore this question address the effects of ELF only from a mobile phone or tablet running on battery.

The existence of some scientific papers show this may be a valid concern. For example,

  • Can you link us to a notable article or quote on this?
    – Rory Alsop
    Nov 10, 2014 at 13:07
  • @RoryAlsop I arbitrarily referenced a couple of papers which I hoped may support that the question is notable.
    – ChrisW
    Nov 10, 2014 at 13:47
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    Thanks Chris - I've reverted my downvote. My quick google had only shown me a couple of very odd tinfoilhat websites...
    – Rory Alsop
    Nov 10, 2014 at 14:18
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    I have a hard time believing this isn't a duplicate. Has this question really not been asked before? It's such a common scaremongering claim...
    – Brian S
    Nov 10, 2014 at 15:28
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    "ELF" (i.e. extremely low frequency) is not microwave (the usual subject of these claims for cell phones) but much lower frequency and longer wavelength. Not that phones are going to be very efficient transmitters in this band: they simply aren't big enough to do a good job. But this looks like a distinct version of this kind of scaremongering, more closely related to high tension power-line claims than the usual cell-phone one. Nov 12, 2014 at 1:10


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