Brennenstuhl Battery and Mains Powered LED Portable Work Lights - Brennenstuhl 1173140400, The extremely robust and powerful Multi Battery LED Work Light 4000 MA for professional use ensures maximum flexibility in the trade thanks to the brennenstuhl® Multi Battery 18V system.The 40W LED site light allows you to fall back on the battery system of your choice in the high-performance range. The powerful floodlight is compatible with five 18V battery systems from the power tool manufacturers Bosch Professional, Makita, Metabo, Dewalt and Milwaukee. No matter which battery system the professional has chosen, the Brennenstuhl® Multi Battery 18V System enables full compatibility with the leading battery technologies. The impact-resistant work light with innovative interface technology is compatible with 38 different 18V rechargeable batteries (different Ah classes) from power tool manufacturers Bosch Professional, Makita, Dewalt, Metabo and Milwaukee.The construction site work light features 4 switching levels (100% - 75% - 50% - 25%).Lighting duration (depending on the battery used) are: 30min/1Ah approx. at 100% light output 40min/1Ah approx. at 75% light output60 min/1Ah approx. at 50% light output120 min/1Ah approx. at 25% light output Brennenstuhl 1173140400 Multi Battery LED Work Light Rechargeable 40W