DEWALT 20V MAX Cordless 4.5 in. - 5 in. Grinder, (1) 20V MAX Compact Lithium-Ion 4.0Ah Battery, and 12V-20V MAX Charger DCG412BWDCB240C - The Home Depot
DEWALT 20V MAX Cordless 4.5 in. - 5 in. Grinder, (2) 20V 5.0Ah Batteries, and Charger DCG412P2 - The Home Depot
DeWalt DCG412 18V 125mm Angle Grinder w/ 2.0 Ah Battery, Charger & Bag | eBay