Comparison · Batteries

INR18650-25R from AliExpress or Samsung INR18650-25R

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: INR18650-25R from AliExpress (20 A vs. 15).

Model	INR18650-25R from AliExpressSamsung · 2020Read review →	Samsung INR18650-25R2016Read review →
Capacity, mAh	2500	2500
Test current, A	20	15
Review conclusion	With reservations	Recommended

Only in one review: Voltage 3.7 V (Samsung INR18650-25R); Current 25 A (Samsung INR18650-25R); Price 14.59 $ (Samsung INR18650-25R).

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.

Samsung INR18650-25R: Capacity at 1C almost exactly matched the datasheet; the test load reached 15 A.

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.