DSP-700GB is an affordable alternative to new, fancy power supplies that would cost around 100 EUR for same current rating. Which is staggering 56A at 12VDC. As it will not just output 12V on its pads, it needs some additional treatment.
Connect pad 4 and 7 to GND (left or right doesn’t matter), that will make it “Always on”, it will always provide 12VDC between pads GND and +12V.
April 27, 2025
[…] If you’re choosing to go with this kind of diesel heater, you need to purchase 12V DC power supply, with at least 12-15A current rating, that’s a lot and they are expensive. I got old server power supply from a friend, and would recommend to do the same – get DSP-700GB (https://www.ebay.com/itm/374394982104) for 20 EUR, read my short article about how to connect it. […]