Comparison · Batteries

EVE 40135 20Ah LiFePO4 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: Capacity at high current: EVE 40135 20Ah LiFePO4 (18190 mAh vs. 2500); Test current: EVE 40135 20Ah LiFePO4 (40 A vs. 20).

Model	EVE 40135 20Ah LiFePO42023Read review →	Samsung INR18650-25R2019Read review →
Capacity at high current, mAh	18190	2500
Test current, A	40	20
Review conclusion	With reservations	Recommended

Only in one review: Current 20 A (Samsung INR18650-25R); Capacity 2500 mAh (Samsung INR18650-25R); Energy 55.4 Wh (EVE 40135 20Ah LiFePO4); Weight 357 g (EVE 40135 20Ah LiFePO4).

EVE 40135 20Ah LiFePO4: Capacity matches the rating, but there is internal movement and one cell delivered less capacity at 2C.

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

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.