/    Measurement database » Power supplies » QS-18-12 or 20-watt LED driver
Support the project on Patreon


Comparison · Power supplies

QS-18-12 or 20-watt LED driver

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: 20-watt LED driver (60 °C vs. 93).

ModelQS-18-12QS-18-122026Read review →20-watt LED driver20-watt LED driver2014Read review →
Voltage, V1240
Power, W1820
Temperature rise, °C9360
Review conclusionRecommendedRecommended

Only in one review: Current 1.5 A (QS-18-12); In test 19.65 W (20-watt LED driver); Test current 1.5 A (QS-18-12); Under load 37.08 V (20-watt LED driver); Ripple 350 mV (QS-18-12); Efficiency 85 % (QS-18-12); No load 0.1 W (QS-18-12); Protection 1.6 A (QS-18-12).

QS-18-12: A decent PSU overall, but the author recommends keeping continuous load to 15 W.

20-watt LED driver: The driver delivers up to 19.65 W with low ripple and normal heating, but its current is below the rated value.

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.

Compare two modelsor

Similar comparisons

← All: power supplies