Check out tomtocs carrying case for both the deck and deck OLED:
What I use with my Steam deck (affiliate):
???? Steam Deck SD Card:
???? Battery bank:
???? My 4k monitor (works great with steam deck, has usb-c and power, one cable does everything):
???? Usb-c dongle to hook up to TV/monitor/external drive/etc:
????Steam Deck Screen protector:
???? Long charging cable (usb-c to usb-c):
⚡️ 45w charging brick:
???? Controllers I use with steam deck:
???? Internal storage m.2 nvme 2230:
???? Wireless keyboard (also works great with mac, can connect to mac and steam deck at the same time and switches with one button push)
????sit/stand desk: