The X4 is compatible with all popular cell sizes (18350, 18650, 20700, 21700).
The front features a bright clear display, with a voltage indicator, capacity readout, and charge speed. This display can be turned off with the button on the front of the charger if needed.
The Xtar X4 is also capable of charging Ni-MH cells.
Package Contents - Xtar X4,UK Plug & Power Cord, Manual.