Comparison · Batteries

Reliance INR21700-RS50 or Vapcell T50

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: Reliance INR21700-RS50 (5200 mAh vs. 5087); Test current: Reliance INR21700-RS50 (40 A vs. 20); Resistance: Reliance INR21700-RS50 (3 mΩ vs. 11).

Model	Reliance INR21700-RS502026Read review →	Vapcell T502021Read review →
Current, A	70	20
Capacity, mAh	5200	5087
Test current, A	40	20
Resistance, mΩ	3	11
Review conclusion	With reservations	Recommended

Only in one review: Voltage 3.6 V (Vapcell T50); Temperature rise 90 °C (Vapcell T50); Weight 72 g (Vapcell T50).

Reliance INR21700-RS50: High capacity and strong results, but they heat up and sag under heavy load; the author preferred EVE for high loads.

Vapcell T50: The T50 had the highest capacity of the author's tested 21700 cells and performed well at high current.

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.