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I am trying to hook a dragonfly dac to my iPad Air using the lightning to USB3 camera adapter kit.

When powering the camera adapter kit using a backup battery supply that outputs 5V/1000ma, the dragonfly will not work and the iPad says that it draws too much power and will not output sound through the lightning port.

When I use the same configuration but plug the lightning power cable into an electrical outlet, everything works and the DAC captures and processes the sound.

I cannot determine how large a power supply I would need to have the iPad keep working with the dragonfly plugged into the camera adapter kit.

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  • How are you connecting the lightning cable to the outlet? In other words, which adapter are you using? Also, which backup battery supply are you using? Jun 13 '17 at 18:35
  • The iPad Air comes with a 10W charger (2A at 5V), so I would go for at least that much.
    – Alexander
    Jun 13 '17 at 19:13
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The iPad Air comes with a 11.73 W charger (2.3 A at 5.1 V), so I would go for at least that much.

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