Brennenstuhl 1172640063 Adapter Bosch for LED Work Light Multi Battery 18V Sys - Brennenstuhl 1172640079, The Fein adapter in the Brennenstuhl multi battery 18V system is used for the use of the 18V batteries in one of the multi-battery LED industrial lights. Attach the adapter, plug in the appropriate battery and you're ready to go – the adapter can be used at the Brennenstuhl interface in the spotlight. The fine adapter also convinces by the following features: Easy locking mechanism without screws Handy design Ability to use the 18V battery system of your choice Brennenstuhl 1172640079 Fein Adapter for LED Spotlights Multi Battery 18V System