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Comparison · Power supplies

Used 12V 5A power supplies or 12 V 5 A uninterruptible 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: Efficiency: Used 12V 5A power supplies (86 % vs. 78.84).

ModelUsed 12V 5A power suppliesUsed 12V 5A power supplies2020Read review →12 V 5 A uninterruptible power supply12 V 5 A uninterruptible power supply2017Read review →
Power, W6060
Efficiency, %8678.84
Review conclusionWith reservations—

Only in one review: Voltage 12 V (Used 12V 5A power supplies); Current 5 A (Used 12V 5A power supplies); Test current 5.5 A (Used 12V 5A power supplies); Under load 12.07 V (Used 12V 5A power supplies); Ripple 200 mV (Used 12V 5A power supplies); No load 0.4 W (Used 12V 5A power supplies); Protection 5.6 A (Used 12V 5A power supplies).

Used 12V 5A power supplies: The boards ran stably and stayed moderately cool, but component quality and condition varied noticeably.

12 V 5 A uninterruptible power supply: Good as a power supply and lock controller, but its battery charging and discharge protection need improvement.

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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