DeWALT DCK269P2 18 Volt Cordless Impact Wrench and Angle Grinder Twin Pack, 2 x 5.0Ah Batteries available online - Caulfield Industrial
DEWALT 4.5-in 18-Volt Trigger Switch Cordless Angle Grinder in the Angle Grinders department at Lowes.com
Got a DeWalt DCG413B cordless angle grinder. I haven't used it yet but it seems like a great tool. Got it for under 200$ with a 5 AH battery for free. :
Dewalt cordless angle grinder 18v 115mm bare unit - Mercury