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Comparison · Batteries

Vapcell T39 21700 or Vapcell T20 21700 2000mAh 40A/60A

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: Vapcell T20 21700 2000mAh 40A/60A (67 °C vs. 82).

ModelVapcell T39 21700Vapcell T39 217002023Read review →Vapcell T20 21700 2000mAh 40A/60AVapcell T20 21700 2000mAh 40A/60A2021Read review →
Voltage, V3.63.6
Current, A3540
Temperature rise, °C8267
Review conclusionRecommendedWith reservations

Only in one review: Test current 35 A (Vapcell T39 21700); Resistance 3 mΩ (Vapcell T39 21700).

Vapcell T39 21700: The high-current cells showed good capacity and low impedance, but the two samples were not quite consistent.

Vapcell T20 21700 2000mAh 40A/60A: They deliver up to 40 A well, but 2000 mAh is a low capacity for the 21700 format.

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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