FYI: you can currently get a 30000mAh 65w Baseus power bank for £35 on : r/SteamDeck

Best Power Banks for Laptops in 2023 - ElectronicsHub

INIU Portable Phone Chargers, Power Bank Usb C

Baseus 65W Power Bank 30000mAh/20000mAh PD Quick Charge FCP, 49% OFF

Best Power Banks for Laptops in 2023 - ElectronicsHub

INIU Portable Phone Chargers, Power Bank Usb C

INIU Portable Phone Chargers, Power Bank Usb C

WEKOME WP-283 Minre Series 50000mAh LED Display Power Bank

For anyone who is looking for a smaller power bank, Baseus 30W 10000mah works fine and fits on case bottom compartment : r/SteamDeck

Baseus 30000mAh Power Bank PD 20W Portable Charging External Battery Charger Pack 20000mAh Powerbank For iPhone Xiaomi PoverBank

Best chargers for Asus ROG Ally in 2024

Baseus 20k 65w Attachment for the Steamclip

WK WP-23 Mecha II Series 10000mAh 22.5W Super Fast Charging Power Bank (Black)

Baseus Blade Laptop Power Bank 100W 20000mAh Blade

Baseus 65W 20000mAh Laptop Portable Power Bank (Best Steam Deck Battery?!)

【65W PD Fast Charge】Recommended by the well-known media Polygon as a portable battery for ASUS ROG ALLY. 65W USB-C port provides enough power to

Baseus Portable Charger, 30,000mAh Power Bank 65W Battery Pack, Smart Digital Display, 7-Port for Laptop, MacBook, iPad, iPhone 15/14/13 Series, Steam