In brief: Based on review measurements: Ripple: RD6006 (W) (95 mV vs. 150); Efficiency: Fnirsi DC-6006L (97 % vs. 96.4).
Model Fnirsi DC-6006L 2020 Read review → RD6006 (W) Rui Deng · 2019 Read review → Voltage, V 60 60 Current, A 6 6 Power, W 360 360 Test current, A 6.1 6.1 Ripple, mV 150 95 Efficiency, % 97 96.4 Review conclusion With reservations Recommended
Only in one review: Temperature rise 60 °C (Fnirsi DC-6006L).
Fnirsi DC-6006L: Usable for non-critical loads, but CC mode has problems and ripple exceeds the stated level.
RD6006 (W): The author liked its accuracy, controls and efficiency, though ripple and a few details could be improved.
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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