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The specifications listed indicate about 3.2 Watts when subjected to a 100 deg C. temperature difference.
By iamlucky13 on November 26, 2017
Most likely not, this particular item is tuned for max efficiency taking electricity in to induce a temp difference, not for taking a temp difference and out putting electricity. Max output I've gotten using it in this manner was .85 watts, while the usual phone needs 5 watts.
By carputerguy on April 7, 2018
That is a difficult question to answer. I used the one I bought to make a thermo-electric generator. The science behind the peltier module is that the device gets hot on one side and cold on the other. the heat makes the electrons agitated and they begin to move to the cold side because the cold is just the absence of … see more That is a difficult question to answer. I used the one I bought to make a thermo-electric generator. The science behind the peltier module is that the device gets hot on one side and cold on the other. the heat makes the electrons agitated and they begin to move to the cold side because the cold is just the absence of heat. When the electrons move they make a current. The greater the temperature differences the more electricity you get. So to answer you question the volts can vary. I received 7 volts out of the device from a constant flow of heat from the stove and a cold pack. I do suggest that you not place it on a toaster, because it will flash heat the device.(guess what happened to me..:P) see less
By Charis Kamon on April 1, 2018
From my limited testing, I think so, if you have a good enough method of keeping the cold side cold, and you have a voltage booster that will work with the resulting output. Good contact between your heat sink and the cold side seems to be really important to getting useful amounts of power. Computer processor thermal … see more From my limited testing, I think so, if you have a good enough method of keeping the cold side cold, and you have a voltage booster that will work with the resulting output. Good contact between your heat sink and the cold side seems to be really important to getting useful amounts of power. Computer processor thermal grease should help greatly. If you try it, I'd put an appropriate size 10 W resistor (in the ballpark of 10 ohm) or similar load like a 6V light bulb on the output of the voltage converter to make sure the output is stable at 4.75-5.25 Volts (the officially specified tolerances for USB, not necessarily the real limits for safe use) under load, before plugging anything expensive into it. see less
By iamlucky13 on March 27, 2018
If the temperature difference is large enough, you might be able to create enough power to charge a battery but maybe not multiple!
By Udit Garg on February 11, 2018
No, it takes heat to make it work
By gabriela on February 4, 2018
I think it doesn't matter. It's like a battery, switching positive and negatives will reverse the direction of current. If you put the hot and cold on the wrong end just switch wires, one will be positive and the other negative
By fisher on January 14, 2018
You get about .1 V at 100 deg C differential temp.
By jason dale mann on December 17, 2017
I could not get it to power much with just body heat, however it is possible if you have multiple and a good heat-sink along with heat source.
By Patrick Bell on December 14, 2017
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