What are the specific requirements for using an external power bank? Vivian 12 October 2024 14:40 The projector requires DC power supply and does not support ordinary power banks. Related articles Does Elfin Flip series support screen mirroring with laptops/PCs? Does Elfin Flip series support TV stick connection for media streaming? How to screen-mirror Android devices to Elfin Flip series? Does the Elfin Flip series support Screen zoom? How to switch HDMI mode on the Elfin Flip series?