I remember seeing reviews of camp cooking stoves that had USB chargers. https://www.bioliteenergy.com/ https://www.bioliteenergy.com/ They didn't seem to be too

I remember seeing reviews of camp cooking stoves that had USB chargers. https://www.bioliteenergy.com/ https://www.bioliteenergy.com/ They didn't seem to be too good at charging but, as the article says, if you are already using a fire why not make a little electricity as well? I grew up in a house partially heated by a wood fireplace. After hauling wood my childhood I'm never using a wood fireplace again!