YINYAN has introduced a line of studio flashes that can be run off either AC or DC power.
The 200w/s CY-200JZL, 300w/s CY-300JZL and 500w/s CY-500JZL flashes can be powered by either AC or one of 2 different models of Powermate batteries.
AC or a cigarette lighter's DC 12V input voltage can be used to charge the batteries.
The YINYAN website has not been updated with information on the new models. They are to be distributed in Canada under the brand name OPUS and may be sold under different brand names worldwide.