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Samsung INR21700-50E or СЦ-25, second unit

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: СЦ-25, second unit (25 A vs. 14.7).

ModelSamsung INR21700-50ESamsung INR21700-50E2019Read review →СЦ-25, second unitСЦ-25, second unitLeninskaya Iskra · 2023Read review →
Current, A9.88.5
Test current, A14.725
Review conclusionRecommendedWith reservations

Only in one review: Voltage 1.55 V (СЦ-25, second unit); Resistance 23 mΩ (Samsung INR21700-50E); Temperature rise 83 °C (Samsung INR21700-50E).

Samsung INR21700-50E: The cell passed the tests and met its stated capacity, but reached 83°C when discharged at 14.7 A.

СЦ-25, second unit: The second unit charged best, but its capacity was average.

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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