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Betavolt's miniature battery could spell the end of smartphone chargers
(mobilesyrup.com)
This is a most excellent place for technology news and articles.
Once they have a one watt version, this would be good for trickle charging when you are not using the device, such as when you're sleeping. But you would definitely need a lithium battery alongside it for normal use.
It would be great to have an ultra-low power mode for emergency calls.
Yes, hybrid batteries could work