Comparison · Batteries

Samsung INR18650-25R 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: These devices have no measurements in common that would show one is better than the other. Compare the review conclusions below.

Model	Samsung INR18650-25R2019Read review →	INR18650-25R from AliExpressSamsung · 2020Read review →
Capacity, mAh	2500	2500
Test current, A	20	20
Review conclusion	Recommended	With reservations

Only in one review: Current 20 A (Samsung INR18650-25R); Capacity at high current 2500 mAh (Samsung INR18650-25R).

Samsung INR18650-25R: The cell delivered about 2500 mAh in most test modes and was surpassed only by the new VTC5D.

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.