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Pros: I am using these TEC's to cool a few internal parts for robotics where space would normally be an issue for a giant heatsink. Of the 4 of these I have ordered, 4 are still working after extended use.
Usage: Add thermal paste and place the cold side down on your project with a heatsink on the hot-side. If space is an issue, you can relocate the heatsink with heat pipes as I have done.
Power Req: I can confirm these work perfectly with 7ah SLA batteries hooked up only through relays, which is basically a direct connection.
Cons: TEC's are pretty wasteful with power when used for heating/cooling, but are very valuable in the correct given situations.
Other Thoughts: As long as you have a proper heatsink placed on the "hot-side" the "cold-side" will form small ice crystals if left exposed.
As a test I have also placed one of these TEC's on the outside of my natural gas heater and was able to register a few volts on my multimeter.
Reviewed By:Reichenstein7,6/18/2014 9:11:05 AM
This reviewer reports that his/her technical understanding of this type of product is High and has owned this product more than 1 year.
Cons: Didnt work. Was never able to get them to work, either one. I will not be buying them anymore and not worth sending them back. I would just rather eat the cost and accept the disappointment. Too bad I cannot do zero eggs.
Other Thoughts: Very disappointed.
Reviewed By:Jose,2/2/2014 2:47:24 PM
This reviewer reports that his/her technical understanding of this type of product is Somewhat High and has owned this product 1 week to 1 month.
This user purchased this item from Newegg
1 out of 1 people found this review helpful.