It features a convenient on/off switch and multiple output options including 1 USB and 1 Type C port, allowing for versatile use. it can invert DC 18v to AC 110V. Wide Compatibility—— Mil-i200 compatible with milwaukee battery power converter is compatible withmilwaukee 18v max lithium-ion batteries 48-11-1850 48-11-1852 48-11-1860 48-11-1862 48-11-1820 48-11-1822 48-11-1840 and etc.