BAT50s are compatible with the DX100, DX121, DX210, DX340ES and DX410 digital wireless systems. BAT50 batteries can charge the DX410 system (BS410, BP410 and WH410). They can also charge the following wireless headsets: WH340, WH220, and WH301. List price: $52.80Price: $52.80 Quantity * SKU: Clear Com CZ-BAT50Catalog: IntercomBrand: Clear ComDimensions: 2 in × 2 in × 1 inWeight: 0.5 lb