What the thread found

• The Alexa accepts input voltage between 10.8 and 36 volts and will operate on 12 volts if 24 volts is unavailable.
• Mounting a battery on the back of the camera requires a secure bracket designed to minimize vibration transmission to the camera body.
• Dionic 90 batteries can power an Alexa camera body with viewfinder and SxS recording at approximately 85 watts, though sustained operation may reduce battery service life and runtime to 30-45 minutes per charge.
• Dionic HC and HCx batteries are specifically designed for high current draw applications and provide better performance with the Alexa than standard Dionic 90 models.
• Operating an Alexa on a Dionic 90 risks triggering the battery's internal thermal protection fuse due to sustained current demands exceeding the battery's optimal design parameters.
• A 24-volt converter on older Steadicam sled platforms cannot reliably supply sufficient power to an Alexa and should be replaced with a dedicated second battery plate for true 24-volt output.
• Mounting a Dionic 160 battery on the camera itself becomes weight-prohibitive during handheld operation compared to mounting it on the Steadicam sled.
• Dionic battery capacity degrades approximately 10 percent per year after the first year of use, with date codes indicating manufacturing month and year.

Depends on

• Discussion assumes use of standard definition SxS recording format.
• Battery runtime figures are estimates and vary based on actual battery age and condition.
• Some participants disagreed on whether using rental house batteries at higher sustained loads constitutes reasonable use or potential damage to shared equipment.
• The specific lens package used affects camera balance on the Steadicam rig.

Gear in this thread

Master Seriescatalog

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