Bosch Professional GRO 12V-35 Cordless Rotary Multi-Tool (Without Battery And Charger) 「International Version - No Warranty」 - - Amazon.com
These Dremel and Bosch batteries are functionally identical, but a piece of plastic is reversed on top, preventing them from being interchangeable. : r/assholedesign
Bosch Tools and Accessories Are Discounted By Up to 73% -- Today Only - CNET