Offers over 250 full power flashes and up to 1000 flashes and more when using the flash in auto or TTL modes. LED displays: Power monitor "fuel gauge", on/off, short circuit, and recharging indicators. Twin output jacks - allows two flashes to be powered together. Dimensions: 6.5x3x1.75 in. Weight: 33oz. Recycle time: 3.2 - 5 seconds with Metz 45CT series.
Optional accessories include: 10 ft Module Extension Cord (QB23), United Kingdom Charger (QB29), European Charger 220/240VAC (QB31), European/Scandinavian Charger, 220/240 VAC (QB39), Australia/New Zealand Charger 240VAC (QB33), Vehicle Charger (QB36), Fast Charger USA/Canada only (QB37), Battery Mounting Clamp (QBC).
Replacement chargers- please note the serial number of the QB2 to insure proper compatibility: #211833-215329 use QB27; #215330 and higher use QB28.