Astal Mini-BD

Sound Devices have engineered a replacement backdoor to effectively double battery life.

If you already own an Astral-Mini and want this product, you will need to have your unit modified. Details of this can be found in the upgrade section below.

** Only purchase this product for use with a new Astral-Mini or you intend to upgade an older unit.

Upgrade details

In order to use the Astal Mini-BatteryDoubler on existing sold Astal-Mini's the Astral Mini's door hinge needs to be upgraded to allow you to easily swap back and forth between the Astal Mini-BatteryDoubler and the standard battery door. The upgrade includes door hinge replacement and a new Astal Mini-BatteryDoubler for a total price of £185.

Start the upgrade via Sound Devices/Audio Ltd webpage by completing the A20-BatteryDoubler Upgrade Request form. This will be completed at Audio Ltd HQ using a special tool and it is not advised that the customer tries this upgrade manually.

The upgrade request should be done by the customer directly at Audio Ltd.

Key Features

• Doubles the battery run time of A20-Mini by fitting two Sony NP-BX1 batteries - expect up to 9 hours battery run time.
• Easy and quick to fit. Swap the BatteryDoubler back and forth with the standard A20-Mini battery door in seconds.
• Super-compact. With the BatteryDoubler fitted, the A20-Mini's height and width are unchanged. Only its depth is increased.
• Dual Sony NP-BX1 charging - both batteries are charged simultaneously when the A20-Mini is connected to a USB-C power source.
• Water-resistant. With the BatteryDoubler's door closed, the A20-Mini is resistant to water and sweat.
• Compatible with the PowerStation-8M charging, file transfer, and timecode station. Charge up to eight A20-Minis or four when fitted with the BatteryDoubler.