Thumb Score: +9 Factory Authorized Outlet via eBay [ebay.com] has Milwaukee M18 18-Volt 175-Watt Li-Ion Powered Compact Inverter w/ 6.0 Ah Battery (2846-21HO) on sale for $149 - 15% when you apply discount code SPRING15OFF at checkout = $126.65 Shipping is free. Alternatively, Factory Authorized Outlet via eBay [ebay.com] has Milwaukee M18 18V 175W TOP-OFF Li-Ion Compact Inverter Power Supply (2846-20) on sale for $99 - 15% when you apply discount code SPRING15OFF at checkout = $84.15.