2026From a Facebook group: Arri Artemis Trinity
Power loss on Trinity 2 / Artemis 2 with large cameras (A35, Venice): causes and battery solutions.
Note (as of October 2026)Curt O. Schaller, the developer of Artemis and Trinity, has no longer been with ARRI since the end of 2025. To our knowledge, ARRI currently has no dedicated team and no official contact persons for its stabilizer systems. In our view, the future of this line is uncertain. If you are buying new, get written confirmation from ARRI beforehand on how long service and spare parts are guaranteed. Have used rigs checked by the manufacturer before you buy.
DisputedParticipants disagreed and reached no conclusion. Read the findings as positions, not as an answer.
What the thread found
- One operator confirmed that three 12 V batteries or BeBob 24 V batteries (20 A per unit) provide sufficient current, whereas two Gold Mount batteries consistently cause intermittent shutdowns regardless of brand, age, or charge state; approximately 15 A total demand was observed.
- The root cause appears to be large current spikes from Trinity motors under load—for example at mechanical stops, when pushed to the limit, or from light cable contact at the outer ring—with demand rising into the high teens of amperes, after which the system and camera power down.
- Calculated power budget: A35 with EVF approximately 90 W, Teradek approximately 15 W, small monitor approximately 15 W, mini motors less than Preston focus control—totaling roughly 150 W or 6.25 A at 24 V; with 14.4 V batteries and higher loads, realistic draw is 10–12 A.
- Multiple operators confirmed the problem since day one with A35 and Venice on 14 V batteries; the issue does not occur with 26 V B-Mount batteries; on Venice 1, a 12 V camera cable helped, but on Venice 2 it did not.
- OS360 users report no such problem, suggesting the issue is specific to Artemis 2 / Trinity 2.
- ARRI's push toward B-Mount batteries with high ampere output may reflect this power demand; operators are adding a B-Mount battery as a second supply to resolve the dropout.
Depends on
- Actual peak current demand is debated: calculated at 6 A steady-state versus observed spikes in the high teens of amperes.
- Whether the problem is specific to Trinity 2 or affects earlier stabilizer generations.
- Camera model and monitor configuration affect total load.
- Cable routing and mechanical contact can trigger spikes.
Gear in this thread
OS 360catalog, ALEXA 35catalog, Artemiscatalog, Trinity 2catalog, MDR
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