@yagopv Hi dear, thanks for your support. Big power bank shall offer the multiple ports. We tested the DBK power bank in China. And Mogo pro requires 19V 3.42A, if the power bank can output the requested data, then it can be used to charge the projector, You can join in the Facebook group for other recommendations:Mogo group: https://www.facebook.com/groups/397245941024735/ Halo group: https://www.facebook.com/groups/429334661330396/ Youtube channel: https://www.youtube.com/channel/UCcSyKAcYUZLmGcLSIM4M_4Q/videos?view_as=subscriber