Product details:

The Power Converter D-Tap to Blackmagic Cinema Camera allows you to power your Blackmagic Cinema Camera / Production Camera using a 12 to 18 VDC battery that has a D-Tap power connector. It converts the 12 to 18 volts to regulated 12 VDC and is rated for a 3-amp draw at 12 volts, which provides a safety margin to the Blackmagic Cinema Camera / Production Camera. Made in the USA.