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: Energy: Power bank for 8 18650 cells (80 Wh vs. 12.03); Test current: Power bank for 8 18650 cells (5.5 A vs. 2.24); Efficiency: Tlife Power Bank (87.6 % vs. 82).
Only in one review: Voltage 5 V (Tlife Power Bank); Current 2 A (Tlife Power Bank); Temperature rise 80 °C (Tlife Power Bank); Weight 116 g (Tlife Power Bank); Price 7.5 $ (Power bank for 8 18650 cells).
Power bank for 8 18650 cells: The author recommends it despite the bus-bar resistance and insufficient controller cooling.
Tlife Power Bank: A convenient power bank with independent charging and UPS mode, but its stock efficiency is low.
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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