Comparison · Batteries

Samsung ICR18650-26H or INR18650-25R from AliExpress

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: Capacity: INR18650-25R from AliExpress (2500 mAh vs. 2486); Test current: INR18650-25R from AliExpress (20 A vs. 5.2).

Model	Samsung ICR18650-26H2019Read review →	INR18650-25R from AliExpressSamsung · 2020Read review →
Capacity, mAh	2486	2500
Test current, A	5.2	20
Review conclusion	Not recommended	With reservations

Only in one review: Capacity at high current 2319 mAh (Samsung ICR18650-26H); Energy 7.5 Wh (Samsung ICR18650-26H); Resistance 48 mΩ (Samsung ICR18650-26H); Temperature rise 60 °C (Samsung ICR18650-26H).

Samsung ICR18650-26H: The sample was judged counterfeit: capacity at 2C was below the original, and its contact and discharge curve differed.

INR18650-25R from AliExpress: The cells delivered about 2500 mAh and sagged noticeably under heavy load; the author is unsure whether they are genuine 25Rs.

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.