The Switronix Shoulder Support for C300 W/V-Mount Lithium Battery/Charger/Cable Kit from B&H Photo is a shoulder support system designed for use with HDV and DV cameras, specifically the Canon C300 in this case. Besides the shoulder-mount rig, this kit includes the Switronix XP-L90S V-mount lithium-ion battery, the Switronix PB70C PowerBase Charger, and the Switronix 20" Powertap Cable for C300.
This kit includes the HDV-PRO with an integrated V-mount plate to attach the battery pack to power a 12V light and camera (this requires the included Powertap cable for the C300). The PowerBase charger is a compact, 9-240VAC battery charger that delivers a full charge in 4-5 hours.
The shoulder mount unit is made from machined aircraft aluminum and is fully adjustable. It folds down to fit in most DV camera bags. A unique swing arm and flexible shoulder brace are designed to provide more versatility when shooting. Other features include three-axis movement, a longer slide for adjustment of the quick-release plate, and a widened and more flexible chest plate to distribute pressure more evenly. The XP-L90S battery offers a power gauge, information storage and a 2-pin output connector. The offering a power gauge, information storage and a 2 pin output connector. The 20" PowerTap cable features a regulated DC connector for connection to the C300 (with an increased amperage allotment), and an unregulated P-Tap output for connection to accessories. Red and green LED lights indicate the status of battery power.