Description
Introducing the SWIT DB-DF570 Battery Adapter
The Swit DB-DF570 is an dual-side NP-F type dummy battery adapter . It allows you to simultaneously power two video devicessuch as a monitor and a wireless transmitterfrom a single source via D-Tap or USB-C PD. This versatile system is particularly well-suited for professional video setups where compactness and reliability are essential.
The SWIT DB-DF570 adapter accepts either a D-Tap power supply between 9V and 18V , or a USB-C Power Delivery (PD) up to 45W as input . It converts this input into two 8.4V/8A regulated NP-F outputs , as well as a 36W USB-C PD output .
An LED input voltage display allows real-time monitoring of the injected voltage, whether via D-Tap or USB-C, thus ensuring safe and controlled operation.
The main features are:
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Dual Side NPF dummy battery
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D-Tap or USB-C PD as power sources
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2× NP-F outputs regulated at 8.4 V / 8 A
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USB-C PD output 36 W max
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LED display of input voltage
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Compatible with any video device equipped with an NP-F battery plate
Case studies: SWIT DB-DF570
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Use Case 1 : Powering a field monitor and a wireless video transmitter from a single V-mount battery via D-Tap. The DB-DF570 provides a stable 8.4 V / 8 A output on each NP-F port, eliminating the need for bulky multiple adapters.
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Use Case 2 : Using a USB-C PD (45 W) power bank as a mobile power source. Via the DB-DF570, two 8.4 V / 8 A NP-F outputs and one 36 W USB-C PD output are recovered to power a monitor, a transmitter, and charge a USB-C accessory simultaneously.
Frequently Asked Questions:
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What is the input voltage range via D-Tap?
The D-Tap input range is 9V to 18V, compatible with most V-mount and Gold-mount batteries.
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What is the maximum power that can be obtained via USB-C PD?
The USB-C input supports up to 45W in PD (9V/12V/15V/20V at 2.25A), and the USB-C PD output provides up to 36W.
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Can two NP-F devices be powered simultaneously?
Yes, both NP-F outputs deliver 8.4 V at 8 A each, allowing two NP-F devices to be powered simultaneously, such as a monitor and a transmitter.
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How is the input voltage monitored?
An integrated LED display shows the input voltage in real time, whether it comes from D-Tap or USB-C, for safe use.
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Which devices is it compatible with?
Compatible with any device equipped with an NP-F battery plate, including field monitors, video transmitters, recorders or other professional video equipment.
Key features of the SWIT DB-DF570:
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Dual NP-F power supply : allows two video devices to be connected simultaneously via two regulated NP-F outputs.
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Two flexible input options : usable with both D-Tap (918 V) andUSB-C PD (up to 45 W).
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Powerful 36W USB-C PD output : ideal for charging or powering another accessory while in use.
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LED display of input voltage : provides real-time monitoring, ensuring safety in the field.
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Reliability and integration into the SWIT ecosystem : an efficient and sustainable solution for users of professional video equipment.




