Comparison · Batteries

Samsung INR21700-33J or Vapcell F35 18650 3500mah 10A

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: Vapcell F35 18650 3500mah 10A (3386 mAh vs. 3377); Price: Samsung INR21700-33J (1.51 $ vs. 9.99).

Model	Samsung INR21700-33J2023Read review →	Vapcell F35 18650 3500mah 10A2020Read review →
Voltage, V	4.2	3.6
Current, A	6.4	10
Capacity, mAh	3377	3386
Price, $	1.51	9.99
Review conclusion	Recommended	With reservations

Only in one review: Capacity at high current 3329 mAh (Vapcell F35 18650 3500mah 10A); Test current 10 A (Vapcell F35 18650 3500mah 10A); Energy 10.53 Wh (Vapcell F35 18650 3500mah 10A); Temperature rise 75 °C (Vapcell F35 18650 3500mah 10A).

Samsung INR21700-33J: Inexpensive branded cells with capacity above the rating, but modest current delivery and an aluminum positive terminal.

Vapcell F35 18650 3500mah 10A: This high-capacity cell meets its specifications but delivers less capacity than the LG INR18650-MJ1.

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.