The Lumedyne HV Ultracycler is a high-voltage battery pack designed to power most of the current shoe or handle mount flash units.
As part of the Cycler series, this model provides more flashes for its size, 440 full burst flashes with a typical pro shoe mount flash. It is compatible with a variety of battery chargers (sold separately).
Note:
Battery charger sold separately
Compatible with Lumedyne and Paramount HV Cables or the Quantum high voltage Turbo/Z type cables.
Power monitor "fuel gauge" tells exactly how much power remains.
Choose a Trickle Charger, or the Quick Charger which is twice as fast.
Includes a belt clip, but also accepts a shoulder strap.