Comparison · Batteries

33140 15Ah LiFePO4 cell or Vapcell S30 18650 3000mah 25A

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: Test current: 33140 15Ah LiFePO4 cell (40 A vs. 30).

Model	33140 15Ah LiFePO4 cell2024Read review →	Vapcell S30 18650 3000mah 25A2020Read review →
Voltage, V	3.2	3.6
Current, A	30	25
Test current, A	40	30
Review conclusion	With reservations	Recommended

Only in one review: Resistance 2.25 mΩ (33140 15Ah LiFePO4 cell); Temperature rise 110 °C (Vapcell S30 18650 3000mah 25A); Weight 270 g (33140 15Ah LiFePO4 cell); Price 11.99 $ (Vapcell S30 18650 3000mah 25A).

33140 15Ah LiFePO4 cell: Capacity is close to the rating, but its behavior at 40 A puzzled the author, who recommends staying at 0.5–1C.

Vapcell S30 18650 3000mah 25A: Good consistency and sustained operation at 25 A, though the author found no major differences from the VTC6.

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.