Comparison · Batteries

Vapcell INR18650 2000mAh 38A or Samsung INR 18650-20S

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: Capacity: Samsung INR 18650-20S (2021 mAh vs. 1985); Test current: Vapcell INR18650 2000mAh 38A (38 A vs. 30); Energy: Vapcell INR18650 2000mAh 38A (7.368 Wh vs. 6.815); Resistance: Samsung INR 18650-20S (7 mΩ vs. 7.7).

Model	Vapcell INR18650 2000mAh 38A2021Read review →	Samsung INR 18650-20S2019Read review →
Capacity, mAh	1985	2021
Test current, A	38	30
Energy, Wh	7.368	6.815
Resistance, mΩ	7.7	7
Review conclusion	With reservations	Recommended

Only in one review: Voltage 3.6 V (Vapcell INR18650 2000mAh 38A); Current 38 A (Vapcell INR18650 2000mAh 38A); Capacity at high current 1990 mAh (Samsung INR 18650-20S); Temperature rise 84 °C (Samsung INR 18650-20S).

Vapcell INR18650 2000mAh 38A: Good cells with near-ideal results, but the price is greatly inflated.

Samsung INR 18650-20S: The high-current cell delivered well with modest heating, and the author unequivocally recommends it.

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.