Efest LUC V4 is a high-quality battery charger that features 4 charging channels and a large LCD charger, along with 4 built-in independent charging channels with reverse polarity protection, short circuit protection, over-current protection, and zero voltage activation function. It is capable of automatically monitoring battery power and providing low battery alerts. LUC V4 charger is compatible with most 3.7V Li-ion or LiMn batteries (10440, 14500, 14650, 18500, 17670, 18350, 18650, 18700, 26500, 26650, etc.) It is capable of charging 15270 or 14250 batteries with spacers.

• 4 bay charger
• This device can charge 18650s, 20700s, 21700s, and 26650s
• For customers with at least 2 sets of batteries