Thermoelectric generator module, for converting heat to electricity.
Open-circuit voltage 8V,
Maximum load voltage 4.8V,
Maximum load current 600MA,
Δ T 100 degree,
measurement 40 ~ 40 ~ 3.8

The actual product may not have any marking or have a different marking. The positive wire is red.

Model: SP1848-27145 SA
Operating temperature is -60 ~ +125 degree Celsius.
When Temperature difference is 20 degree : voltage is 0.97V, current is 225MA
When Temperature difference is 40 degree : voltage is 1.8V, current is 368MA
When Temperature difference is 60 degree : voltage is 2.4V, current is 469MA
When Temperature difference is 80 degree : voltage is 3.6V, current is 558MA
When Temperature difference is 100 degree : voltage is 4.8V, current is 669MA