https://catalog.lav.com/avcat/ctl1071/index.cfm?manufacturer=akg-acoustics-us&product=bp4000
BP4000 | Rechargeable battery pack for WMS4500/IVM4500 | AKG Acoustics, U.S. | Lubbock Audio...
Product information for Rechargeable battery pack for WMS4500/IVM4500 BP4000 manufactured by AKG Acoustics, U.S.. Provided by Lubbock Audio Visual, Inc..
rechargeable battery pack