Quick answer: A 3D-printed replacement battery/USB door for the DJI Osmo Action 4 and Action 5 that lets you keep a USB-C cable plugged in while the camera stays sealed. Designed and printed in Denmark by TjPrint. Ships with port plugs to cover the opening when no cable is connected.
Compatibility
✅ DJI Osmo Action 4
✅ DJI Osmo Action 5
❌ Not compatible with DJI Osmo Action 6 — for the Action 6, see our Action 6 door
⚠️ For DJI Osmo Action 4 & 5 Pro setups where a cable stays connected through a case, see our Action 4 & 5 Pro Cable Door
What's in the box
Standard (2 plugs): 1× pass-through door, 1× soft TPU plug, 1× hard PETG plug
Standard + 4 extra plugs: Door + 6 plugs total (3× TPU, 3× PETG)
Standard + 6 extra plugs: Door + 8 plugs total (4× TPU, 4× PETG)
Specifications
Material: PETG (door), TPU + PETG (plugs)
Manufacturing: 3D printed on demand in Taastrup, Denmark
Compatible cable: Standard USB-C cables, including the original DJI USB-C cable
Weather resistance: Protects against dust and light moisture while plugged in (not rated for submersion)
Installation: Snap-on, no tools required
Color: Black
Use cases
Time-lapse photography, live streaming, in-car recording, vlogging on long shoots, and any rig where the Action 4 or Action 5 is mounted and powered externally.
Frequently asked questions
Will this fit the DJI Osmo Action 6?
No. The Action 6 has a different port layout. Use our dedicated Action 6 door for that camera.
Will it fit Action 4 and Action 5 Pro?
This door fits the standard Action 4 and Action 5. For the Action 4 & 5 Pro with a more secure cable-locked setup, see our Pro Cable Door variant.
Is it waterproof?
Weather-resistant against dust and splashes while a cable or plug is fully inserted. Not rated for submersion or heavy rain.
Does it work with third-party USB-C cables?
Yes, with standard USB-C cables. Bulky cables with oversized overmoulded connectors may not seat fully.
How long does shipping take?
Orders ship from Denmark within 1–2 business days. EU delivery typically takes 3–5 business days, worldwide 5–14 business days via PostNord.
Is this an official DJI accessory?
No. TjPrint is an independent Danish workshop. This is a third-party replacement door designed specifically for the DJI Osmo Action 4 and 5.
About TjPrint
TjPrint is a small Denmark-based maker of 3D-printed accessories for action cameras (Insta360, DJI Osmo Action) and cars (Renault 4 and 5 E-Tech). Every part is printed to order and shipped from Taastrup, near Copenhagen.
