4 port design
Capable of charging all batteries simultaneously
Independent battery charge meters
Stops charging when complete
Reverse polarity protection
USB port capable of charging phone, ipod, or other external device.
Immediately reads current charge capacity, unlike the Nitecore I2-I4 which takes a few moments
LUC V4 4 port can switch between charging 4 batteries at 0.5A, 1A, or 2 batteries at 2A