Bosch Battery Adapter to Makita – Power Tools Adapters
BS18MT Adapter for Bosch Professional 18V System GBA Battery, Works for Makita 18V Tool, Replace for BL1850 BL1840 BL1830 BL1820 BL1815N Battery: Amazon.co.uk: Electronics & Photo
Bosch blue 18v battery adaptor to Makita LXT tools – Your ToolBox