Comparison · Converters

12 V UPS, 12 W version or DC-DC Step Down module rated at 10 amps

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: 12 V UPS, 12 W version (92 °C vs. 101).

Model	12 V UPS, 12 W version2019Read review →	DC-DC Step Down module rated at 10 amps2016Read review →
Voltage, V	12	35
Current, A	1	8
Temperature rise, °C	92	101
Review conclusion	Recommended	With reservations

Only in one review: Power 12 W (12 V UPS, 12 W version); In test 16 W (12 V UPS, 12 W version); Test current 1.8 A (12 V UPS, 12 W version); Under load 10.09 V (DC-DC Step Down module rated at 10 amps); Ripple 75 mV (12 V UPS, 12 W version); Price 1.88 $ (12 V UPS, 12 W version).

12 V UPS, 12 W version: The board was liked: it holds its rated current steadily and is suitable for its intended use despite minor drawbacks.

DC-DC Step Down module rated at 10 amps: Suitable for undemanding loads up to 6 A, but its output voltage is unstable and it is unsafe for charging lithium batteries.

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.