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Reliance INR21700-RS50 or JSK 32140 15Ah

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: Resistance: JSK 32140 15Ah (1.8 mΩ vs. 3).

ModelReliance INR21700-RS50Reliance INR21700-RS502026Read review →JSK 32140 15AhJSK 32140 15AhTZJSK · 2026Read review →
Test current, A4040
Resistance, mΩ31.8
Review conclusionWith reservationsRecommended

Only in one review: Current 70 A (Reliance INR21700-RS50); Capacity 5200 mAh (Reliance INR21700-RS50); Temperature rise 56 °C (JSK 32140 15Ah).

Reliance INR21700-RS50: High capacity and strong results, but they heat up and sag under heavy load; the author preferred EVE for high loads.

JSK 32140 15Ah: Good cells, performing close to EVE IFR33140 and pleasing the author.

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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