Comparison · Power supplies

Sealed 100 W, 12 V, 8.3 A power supply or 12 V 100 W 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: Test current: 12 V 100 W power supply (11 A vs. 8.3); Ripple: 12 V 100 W power supply (25 mV vs. 800); Temperature rise: Sealed 100 W, 12 V, 8.3 A power supply (58 °C vs. 106).

Model	Sealed 100 W, 12 V, 8.3 A power supply2026Read review →	12 V 100 W power supply2025Read review →
Voltage, V	12	12
Power, W	100	100
Test current, A	8.3	11
Ripple, mV	800	25
Protection, A	11.5	11
Temperature rise, °C	58	106
Review conclusion	With reservations	Recommended

Only in one review: Current 8.3 A (Sealed 100 W, 12 V, 8.3 A power supply); Efficiency 87.5 % (Sealed 100 W, 12 V, 8.3 A power supply); No load 0.5 W (Sealed 100 W, 12 V, 8.3 A power supply).

Sealed 100 W, 12 V, 8.3 A power supply: Heat and stability are good, but ripple reaches 800 mV at maximum load.

12 V 100 W power supply: A very good supply with low ripple, correctly set protection, and acceptable temperatures.

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.