Comparison · Batteries

Westinghouse WA640N-F1 6V 4Ah or Samsung ICR18650-26H

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: Samsung ICR18650-26H (2319 mAh vs. 1536); Test current: Samsung ICR18650-26H (5.2 A vs. 2); Energy: Westinghouse WA640N-F1 6V 4Ah (14.9 Wh vs. 7.5); Resistance: Westinghouse WA640N-F1 6V 4Ah (20 mΩ vs. 48).

Model	Westinghouse WA640N-F1 6V 4Ah2023Read review →	Samsung ICR18650-26H2019Read review →
Capacity at high current, mAh	1536	2319
Test current, A	2	5.2
Energy, Wh	14.9	7.5
Resistance, mΩ	20	48
Review conclusion	With reservations	Not recommended

Only in one review: Capacity 2486 mAh (Samsung ICR18650-26H); Temperature rise 60 °C (Samsung ICR18650-26H); Weight 660 g (Westinghouse WA640N-F1 6V 4Ah).

Westinghouse WA640N-F1 6V 4Ah: The battery tested below its rated 4 Ah capacity; the author suspects this unit may be defective.

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

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.