Comparison · Batteries

EVE 40135 20Ah LiFePO4 or Sony VTC6 (counterfeit)

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 at high current: EVE 40135 20Ah LiFePO4 (18190 mAh vs. 2120); Test current: EVE 40135 20Ah LiFePO4 (40 A vs. 10); Energy: EVE 40135 20Ah LiFePO4 (55.4 Wh vs. 8.025).

Model	EVE 40135 20Ah LiFePO42023Read review →	Sony VTC6 (counterfeit)2018Read review →
Capacity at high current, mAh	18190	2120
Test current, A	40	10
Energy, Wh	55.4	8.025
Review conclusion	With reservations	Not recommended

Only in one review: Capacity 2129 mAh (Sony VTC6 (counterfeit)); Temperature rise 68 °C (Sony VTC6 (counterfeit)); Weight 357 g (EVE 40135 20Ah LiFePO4); Price 12.84 $ (Sony VTC6 (counterfeit)).

EVE 40135 20Ah LiFePO4: Capacity matches the rating, but there is internal movement and one cell delivered less capacity at 2C.

Sony VTC6 (counterfeit): The counterfeit cells have low capacity and high resistance; the author recommends looking for better ones.

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.