Forum Discussion

profdant139's avatar
profdant139
Explorer II
Apr 30, 2013

Mini fuel cell generates electricity directly from fire

This company is apparently now shipping these little fuel cells -- you stick one end in a flame, and the other end charges a cell phone: Point Source Power site No word on how much this "Voto" u...
camperpaul's avatar
camperpaul
Explorer
May 02, 2013
wa8yxm wrote:
camperpaul wrote:
Used it to power a 40 Meter QRP CW transmitter.

Well, I never built one, but I read the article... But then I know what "40 Meter QRP CW transmitter" means too, Back then I assume you were rock bound, I got my Novice in 1968 so still remember rocks.

Yup, it was "rock-bound"; a Pierce oscillator, link coupled to a dipole.

Output power was ~200mW.

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,380 PostsLatest Activity: Apr 14, 2026