Comparison · Power supplies

12 V 2 A power supply or 5 V, 2 A power supply with microUSB plug

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: Ripple: 5 V, 2 A power supply with microUSB plug (150 mV vs. 230); Temperature rise: 5 V, 2 A power supply with microUSB plug (62.2 °C vs. 131).

Model	12 V 2 A power supply2026Read review →	5 V, 2 A power supply with microUSB plug2015Read review →
Voltage, V	12	5
Current, A	2	2
Ripple, mV	230	150
Temperature rise, °C	131	62.2
Review conclusion	With reservations	With reservations

12 V 2 A power supply: Ripple is acceptable for a budget unit, but it overheats at 2 A; sustained use is better limited to 1.5 A.

5 V, 2 A power supply with microUSB plug: Works adequately up to about 1.5 A, but voltage sags at higher loads and it can interfere with some touchscreens.

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.