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HI.I was considering to buy a Rui Deng DP 5015 / DP 50V15A https://fr.aliexpress.com/store/product/RD-DPS5020-Constant-Voltage-current-Step-down-communication-digital-Power-Supply-buck-Voltage-converter-LCD-voltmeter/923042_32821185351.html?spm=a2g0w.12010612.8148356.1.78933931XSezfe or DPS8005 programmable power supply but have no DC PSU supply for it. So I would need to buy one.For my previous DPS3005 (30V, 5A) I use an old 20V laptop supply witch was free, but for the one I'm considering now, I don't know where to find a proper PSU supply.What do you use ? I've seen some https://www.ebay.fr/itm/500W-72V-6-9A-220V-INPUT-Single-Output-Switching-power-supply/222240260342?hash=item33be8d40f6:g:5WAAAOSwknJXzPsn or https://www.ebay.fr/itm/500W-60V-8-3A-220V-INPUT-Single-Output-Switching-power-supply/222241238393?hash=item33be9c2d79:g:b9IAAOSwknJXzlmEBut they're are getting quit expensive and don't fit exactly the needs (only 6.9A when the DPS5020 witch needs at least 20A !)What do you use on your side ? Or what advice would you have ?These little DPS programmable bench supply are very practical .
With the 5015, the most practical is probably a 48V switch supply. I just had one in 36V and use it fine. I plan to use also a 36V Li-ion pack for portable operation.