XL-B18650 AA Rechargable Lithium-Ion Battery Set

The 4000 mAh lithium-ion XL-B18650 is Sound Devices’ proprietary battery designed specially to power the A20-HH handheld microphone. At 10mW, the XL-B18650 has an impressive runtime of more than 10 hours.

The USB-C connection on the A20-HH can be used to charge the XL-B18650 battery while it’s in the unit. Alternatively, the battery can be removed and charged externally via third-party charging stations.