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

BASEUS 65 Watt Power Bank - The Best Portable Charging for Steam Deck?

BASEUS 65 Watt Power Bank - The Best Portable Charging for Steam Deck?

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 Deck, ROG Ally, Samsung (Black) : Cell Phones & Accessories

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

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