Ever wondered how to take your corded angle grinder and turn it into a cordless powerhouse? This incredible 20V angle grinder ...

Most of their cordless grinders are powered by a 20-volt battery system, which provides long-lasting power. Alternatively, the 60-volt MAX is a heavy-duty option offering 2,300 watts of power ...

That issue seems to be directly addressed in the other battery-powered model–the $129.00 18V One+ HP Brushless 4 ½-inch Angle Grinder.Brushless motors generate less heat via internal friction ...

Ryobi sells a couple of battery-powered grinders as well. They're offered in kits or as solo tools with slightly different designations, but these essentially boil down to two models.