From Manufacturer
Designed for image makers who require a superior quality of light in the studio or on the road, the B10X Plus OCF Flash Duo Kit from Profoto precisely fits that need. The kit includes two 500Ws B10X Plus flash heads each with a lithium-ion battery that will give you 200 full-power flashes with recycling times as short as 0.05 to 2.2 seconds. Also included are two battery chargers, two stand adapters, and a padded Core Backpack.