Can I Use RecDual Dongle Without External Power?¶
The power requirements depend on which video input you’re using.
Quick Answer¶
Type-C DP recording: No external power needed
HDMI recording: External power required
Type-C DP Recording (No External Power)¶
When recording from Type-C DP sources:
RecDual Dongle is powered by the connected device
No external power adapter needed
Device provides power through the Type-C connection
How it works:
Your phone/laptop connects to Type-C DP IN
Device recognizes RecDual Dongle as external display
Power flows from device to RecDual Dongle
Recording works without additional power
Benefits:
Simplified setup - fewer cables
Portable use - no power outlet needed
Great for on-the-go recording
Optional charging:
Connect power adapter to Type-C PWR
Charges your device while recording
Not required for operation
HDMI Recording (External Power Required)¶
When recording from HDMI sources:
RecDual Dongle requires external power
Connect power adapter to Type-C PWR port
Without power, device won’t function
Why power is required:
HDMI sources don’t provide power
RecDual Dongle needs power for operation
HDMI signal processing requires additional power
Setup:
Connect HDMI source to HDMI IN
Connect power adapter to Type-C PWR
Insert TF card
Start recording
Power Comparison¶
Recording Mode |
External Power |
Power Source |
|---|---|---|
Type-C DP |
Not required |
Connected device |
HDMI |
Required |
Power adapter |
Type-C DP + Charging |
Optional |
Charges device |
Recommended Power Adapters¶
When external power is needed:
USB-C PD adapter (recommended)
10W (5V/2A) minimum for operation
45W+ for device charging feature
Most phone/laptop chargers work
What Happens Without Power?¶
Type-C DP mode without external power:
Works normally
Powered by connected device
HDMI mode without external power:
Device won’t turn on
LEDs remain off
No recording possible
Portable Recording Tips¶
For maximum portability:
Use Type-C DP sources when possible
No power outlet needed
Record anywhere with compatible devices
For extended sessions:
Connect power adapter
Charges device while recording
No battery drain concerns