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Comparison · Power supplies

12 V 150 W power supply or 50 V 2.5 A power supply

Two models side by side: measurements taken by the author in their reviews, and their conclusions. The better value in each row is highlighted.

In brief: Based on review measurements: Temperature rise: 50 V 2.5 A power supply (55 °C vs. 107).

Model12 V 150 W power supply12 V 150 W power supply2025Read review →50 V 2.5 A power supply50 V 2.5 A power supply2019Read review →
Voltage, V1250
Temperature rise, °C10755
Review conclusionWith reservationsRecommended

Only in one review: Current 2.5 A (50 V 2.5 A power supply); Power 150 W (12 V 150 W power supply); In test 150 W (50 V 2.5 A power supply); Efficiency 86.5 % (12 V 150 W power supply).

12 V 150 W power supply: A decent supply with accurately set protection, though the transformer runs hot and the input capacitor is undersized.

50 V 2.5 A power supply: The author modified the supplies from 50 V to 43.5 V and connected them in series; at 150 W load they reached 55 °C.

Figures were taken from the review text and checked against the quoted passages. Measurement conditions differ between reviews, so read the reviews yourself before buying. Prices at the time of review.

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