DEWALT 20V MAX XR Cordless Brushless 4-1/2 in. Slide Switch Small Angle Grinder with Kickback Brake with Compact 4.0Ah Battery DCG405BWDCB240 - The Home Depot
Cordless Angle Grinder, 18V variable speed metal grinders w/DM18M Battery Adapter,10000RPM Brushless Motor, 3/8 arbor, 110V 4-inch high power(Battery not include) - Amazon.com
DeWalt DCG409NT-XJ Cordless Angle Grinder Flexvolt Advantage 125 mm 18V excl. batteries and charger
DeWalt DCG418B Flexvolt 4-1/2" - 6" 60V Max Cordless Grinder With Kickback Brake, Bare Tool | burnstools.com