Adjustable Power Supply Pricing
Analysis of 53,426 eBay listings for adjustable power supplies.
What you'll usually pay
💡 Used ones cost about 87% more here.
👉 In short easy summary
The best value is found in unbranded units and 36 V models, which sit below the 46.99 market median. High-end professional brands like Agilent command a significant premium with a 327% delta over the median.
💚 Best value for your money
Price by maximum voltage output
Why? Prices scale with capacity, ranging from 43.74 for 36 V to 139.4 for 300 V.
Price by maximum current output
Why? Higher amperage increases cost, with 5 A units at 60.9 and 30 A units at 123.02.
Price by brand
Why? Pricing reflects a split between budget unbranded options (37.8) and precision laboratory brands like Agilent (200.45).
Price by number of channels/outputs
Why? Multi-channel units are more expensive, with 4-channel models reaching a median of 139.03.
🛒 Some on sale right now
Common questions
What is the price difference between new and used adjustable power supplies?
New units have a median price of 53.49, while used units have a median of 100.
Which brand offers the most affordable options?
MEAN WELL is the most affordable branded option with a median price of 31.42.
How much more do high-voltage 300 V supplies cost compared to the market median?
300 V supplies have a median price of 139.4, representing a 197% increase over the market median.
How we got these numbers
Worked out from 200 live eBay listings (price range $12–$320, odd outliers ignored). These are asking prices, so use them as a guide. Last checked August 2, 2026.