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The Efest LUC V4 is a four bay charging system.
It has reverse polarity protection, short circuit protection, over current protection, and zero voltage activation function. Also has 1 Amp portable USB output.
Compatible with most 3.7V Li-ion or LiMn batteries: 10440, 14500, 14650, 18500, 17670, 18350, 18650, 18700, 26500, 26650 including 15270 and 14250.
Input: 0.5A, 1A, and 2A
USB Output: DC5V 1A USB output connector
0.5A or 1A charges 4 batteries
2A charges 2 batteries (22650, 26650)