DeWalt DCG405FN-XJ 18V XR Li-ion Cordless Brushless 125mm (5") Flat Head Angle Grinder - Skin Only
Tooled-Up.com - The DCG405FN is a cordless flathead angle grinder which runs on DeWalt 18v XR lithium ion batteries and is equipped with a brushless motor for maximum efficiency. More info here:
Dewalt Dcg405fn Angle Grinder 20v Brushless Motor Cutting Machine 125mm Rechargeable Cordless Portable Polisher Power Tool - Grinder - AliExpress