Comparison · Batteries

JSK 32140 15Ah or Molicel INR21700-P42A

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: JSK 32140 15Ah (40 A vs. 36.4); Resistance: JSK 32140 15Ah (1.8 mΩ vs. 9.5); Temperature rise: JSK 32140 15Ah (56 °C vs. 102).

Model	JSK 32140 15AhTZJSK · 2026Read review →	Molicel INR21700-P42A2019Read review →
Test current, A	40	36.4
Resistance, mΩ	1.8	9.5
Temperature rise, °C	56	102
Review conclusion	Recommended	With reservations

Only in one review: Current 45 A (Molicel INR21700-P42A); Capacity 4060 mAh (Molicel INR21700-P42A); Capacity at high current 3945 mAh (Molicel INR21700-P42A); Energy 14.86 Wh (Molicel INR21700-P42A).

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

Molicel INR21700-P42A: It performed well and slightly beat the Samsung INR21700-40T, but the author considers it too expensive.

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.