In brief: Based on review measurements: Temperature rise: Choetech Q5003 (81 °C vs. 85); Price: Choetech Q5003 (2.54 $ vs. 13.7).
Model Choetech Q5003 2020 Read review → 12.6 V 3 A charger 2017 Read review → Temperature rise, °C 81 85 Price, $ 2.54 13.7 Review conclusion Recommended Recommended
Only in one review: Voltage 12 V (Choetech Q5003); Current 3 A (Choetech Q5003); Power 18 W (Choetech Q5003); Ripple 150 mV (Choetech Q5003).
Choetech Q5003: The charger handles load steadily and runs cool, but lacks cable-drop compensation and its claimed 3 A rating is overstated.
12.6 V 3 A charger: Well-built and does not overheat, but does not fully stop charging; suitable if the battery is not left connected for long.
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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