Comparison · Converters

Adjustable power supply kit board or Large Step-Up board modified into a SEPIC

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: These devices have no measurements in common that would show one is better than the other. Compare the review conclusions below.

Model	Adjustable power supply kit board2016Read review →	Large Step-Up board modified into a SEPIC2015Read review →
Current, A	2	2
Test current, A	2	2
Under load, V	27.8	3
Review conclusion	Recommended	Recommended

Only in one review: Voltage 28 V (Large Step-Up board modified into a SEPIC); In test 3.3 W (Large Step-Up board modified into a SEPIC); Temperature rise 70 °C (Large Step-Up board modified into a SEPIC); Price 0.6 $ (Large Step-Up board modified into a SEPIC).

Adjustable power supply kit board: The board is straightforward to assemble and regulates voltage and current well, though it deviates at maximum voltage and current.

Large Step-Up board modified into a SEPIC: After modification, the board works stably and delivers up to 700 mA at 3.3 V from a lithium cell.

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.