Some of my favorite battery banks for the ROG Ally and other devices.

Baseus Adaman Power Bank 65W 20000mAh
https://bit.ly/3QdiZrw
Original price: $59.99
After price: $47.99
Use 20% OFF Code: FPS20

Baseus give it free:
https://bit.ly/3q1bolg

0:00 Intro
1:31 Two Considerations
2:52 Baseus Power Bank

5:12 Imuto Battery Bank
https://a.co/d/feepFB2

6:43 Battery bank #3

7:38 Omnicharge Battery Bank

Baseus Laptop Power Bank, 100W
https://a.co/d/2wUqToT

10:11 Giant Battery bank
https://a.co/d/evEAJgu