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

The Best Power Banks for Steam Deck in 2023

⚡【65W PD Fast Charge】65W PD USB-C port provides enough power to charge a laptop at full speed. This power bank charge a MacBook pro 13” from 0% to 50%

65W Power Bank Compatible with Steam Deck/ROG Ally/Legion Go, Laptop Power Bank 20000mAh Fast Charging Battery Pack for MacBook, Dell, Lenovo, Asus

Yesido YP42 30000mAh Dual USB + Type-C Digital Display Fast Charging Power Bank(Black)

【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

Baseus PD Powerbank 30000mAh PD 65W für das Steam Deck!

Baseus 65w Pd Power Bank 30000mah Baseus Power Bank 20000mah 65w - Baseus 65w Power - Aliexpress

Best Power Banks for Laptops in 2023 - ElectronicsHub

Baseus Power Bank, 65W 20000mAh Laptop Portable Charger, Fast Charging USB C 4-Port PD3.0 Battery Pack for MacBook Dell XPS IPad iPhone 15/14/13/12 Pro Max Mini Samsung Steam Deck : Cell

Baseus Blade Laptop Power Bank 100W 20000mAh Blade

Why does the deck say slow charging sometimes when it's hooked into my Baseus 65W portable charger? : r/SteamDeck

A Comprehensive Guide to the Best Steam Deck Power Bank