The Efest LUC V4 is a universal LCD four-bay charger for your mod batteries of all type, including popular 18350, 18650, and 26650, and a variety of other lithium batteries. Its four built-in independent charging channels can automatically monitor battery power and capacity, and give an independent alarm notice in case of problem, since its channels as its own protection features. It offers three charging mode (0.5A, 1A, 2A) that can be changed by pressing the rectangular button on the device.
Three charging modes 0.5A/1A/2A
Can charge different size 3.6V/3.7V Li-ion batteries.
0.5A/1A mode can charge 4 single batteries of the following types: 10440/14500/14650/16340/16650/17650/17670/17350/18350/18490/18500/18650/22650
2A mode can charge 2 single batteries of the following types: 25500/26650
USB output: DC5V 1A USB output connector are compatible with most portable electronics. One fully charged battery in the 2nd slot is needed for the USB output to be powered.
Low power protection
Built-in reverse polarity protection
Zero voltage activation function
Over-charging protection & automatically monitor charging