What the thread found

• The Battery Hanger is designed as an upgrade for older PRO 1 systems, replacing the cage and batteries while keeping the lower Junction Box
• The device supports multiple contemporary battery adapter types including Anton Bauer, PAG, and Sony V-mount systems
• Estimated pricing for a Battery Hanger system was between $2000 and $2500 at the time of discussion
• The Battery Hanger offers flexibility in battery placement configuration and multiple options for dynamic balancing
• A lightweight accessory called Rig-Rest was developed to allow the Battery Hanger to rest on flat surfaces without batteries touching ground, weighing approximately 2 ounces
• The Rig-Rest includes replaceable spacer rods and mounting plates for gyro, antlers, or lower dovetail plate configurations

Depends on

• Pricing information is from 2005 and may not reflect current costs
• The Battery Hanger requires sourcing an older PRO-1 Junction Box, which was reported as potentially becoming unavailable
• Experience reports were limited to a small number of operators at the time
• Rig-Rest was described as a prototype with full details and images promised but not provided in this thread

Parts

Dovetail Plate

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