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Comparison · Power supplies

RuiDeng 68 V 800 W power supply or NVVV S-800-70

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: Test current: RuiDeng 68 V 800 W power supply (13 A vs. 11.5); Ripple: NVVV S-800-70 (500 mV vs. 2000); Efficiency: RuiDeng 68 V 800 W power supply (90 % vs. 87); Temperature rise: RuiDeng 68 V 800 W power supply (95 °C vs. 230).

ModelRuiDeng 68 V 800 W power supplyRuiDeng 68 V 800 W power supply2024Read review →NVVV S-800-70NVVV S-800-702020Read review →
Voltage, V6870
Power, W800800
Test current, A1311.5
Ripple, mV2000500
Efficiency, %9087
Temperature rise, °C95230
Review conclusionRecommendedWith reservations

Only in one review: Current 11.4 A (NVVV S-800-70); In test 657 W (NVVV S-800-70); Under load 57.13 V (NVVV S-800-70); No load 6 W (NVVV S-800-70); Protection 11.5 A (NVVV S-800-70).

RuiDeng 68 V 800 W power supply: The author liked the new version: it handled load well and is recommended for purchase.

NVVV S-800-70: A decent, stable power supply, but it needs modification because of overheating resistors and a noisy fan.

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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