Hello, I own an Osmo X3 and i was wondering if i can use the Osmo Mobile's 3.5mm to USB charging cord to charge the X3 Osmo. I going on a trip and being able to charge with a battery bank will be a huge plus.

Hi Tim, I'm afraid not, the 3.5mm port in Osmo is used to mount external mic, it is not used for charing, if you would like to prolong the operating time and you happen to have Mavic Pro, we recommend Osmo External Battery Extender (For Mavic Pro Intelligent Flight Battery), which could be a very good choice.