Comparison · Batteries

LG-INR21700H40B or Samsung INR18650-20S

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: Temperature rise: Samsung INR18650-20S (84 °C vs. 92).

Model	LG-INR21700H40BVapcell · 2023Read review →	Samsung INR18650-20S2019Read review →
Current, A	30	30
Temperature rise, °C	92	84
Review conclusion	Recommended	Recommended

Only in one review: Test current 30 A (Samsung INR18650-20S); Resistance 7.5 mΩ (Samsung INR18650-20S).

LG-INR21700H40B: The cells performed very well and matched closely, but their origin and labeling remain a mystery.

Samsung INR18650-20S: At 30 A it reached only 84°C; the author notes it often costs less than the VTC4.

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.

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