U2 or 12.6 V 3 A charger

In brief: Based on review measurements: Test current: 12.6 V 3 A charger (3.23 A vs. 2.3); Price: 12.6 V 3 A charger (8.13 $ vs. 13.39).

Model	U2Vapcell · 2022Read review →	12.6 V 3 A charger2017Read review →
Test current, A	2.3	3.23
Price, $	13.39	8.13
Review conclusion	With reservations	With reservations

Only in one review: Current 2 A (U2); Under load 12.68 V (12.6 V 3 A charger); Temperature rise 102.8 °C (12.6 V 3 A charger).

U2: Supports four battery types and charging up to 2 A, but has current spikes and may overcharge LiFePO4 after a power interruption.

12.6 V 3 A charger: The inexpensive charger works, but its voltage and current are too high, it overheats, and it needs modification.

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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