5 V UPS or MP2359DJ

In brief: Based on review measurements: Test current: 5 V UPS (2.8 A vs. 1.2); Temperature rise: 5 V UPS (78 °C vs. 100).

Model	5 V UPS2019Read review →	MP2359DJ2016Read review →
Test current, A	2.8	1.2
Temperature rise, °C	78	100
Review conclusion	Not recommended	Recommended

Only in one review: Voltage 5 V (5 V UPS); Current 2 A (5 V UPS); Ripple 100 mV (5 V UPS); Efficiency 92 % (MP2359DJ); Price 1.17 $ (5 V UPS).

5 V UPS: It is cheap and handles the rated current, but the author was disappointed by the large voltage drop when switching to battery.

MP2359DJ: The MP2359DJ converter achieved up to 92% efficiency, very low ripple and effective protection; the author recommends it.

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.

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