The SP Systems AC/DC-920 is built on the same principle as the SP-920, but it adds the option of using battery power when an AC outlet is unavailable or inconvenient.
The AC/DC920 has Click-Stop Variable power output settings at full, half and quarter power.
It utilizes the same accessories as the SP-100 and SP-147.
The AC/DC-920 includes removable AC and DC power cords.
The suggested battery source for the AC/DC-920 is the optional Quantum Turbo Battery. With the Quantum Turbo battery on a full charge, the AC/DC-920 will provide an average of 450 full-power flashes.