RIDGID 18V Brushless Cordless 4-1/2 in. Angle Grinder Kit with 4.0 Ah Battery and Charger R86047KN - The Home Depot
Worx Wx812l 20v Power Share 4.5" Cordless Angle Grinder With Brushless Motor (battery & Charger Included) : Target
20V Cordless 4-1/2 in. Slide Switch Angle Grinder - Tool Only
COMOWARE 4-1/2 Inch Cordless Angle Grinder, 20VBrushless Angle Grinder Tool w/ 4.0Ah Lithium-Ion Battery & Fast Charge - Amazon.com
Cordless Angle Grinder, 21V Power Angle Grinder Tools with 2PCS 4.0Ah Batteries & Fast Charger,9000RPM Brushless Motor Metal Grinder, 4-1/2'' Cutting Wheels, Flap Disc for Cutting, Polishing - Amazon.com