The portable charger S-3822S can charge 2 V-mount batteries simultaneously. S-3822S has LED charging indicators on the front panel, indicates the real time capacity of each channel by different colors. S-3822S has a 4-pin XLR female connector on the front panel. Connected with SWIT S-7102 XLR female to male cable, the S-3822S can be used as AC-DC adaptor of DC 14.4V, 5A, 72W output.