You haven't seen this test! Milwaukee VS Makita VS DeWALT VS Bosch VS Metabo - YouTube
Amazon.com: AuthFrank BS18DL Battery Adapter converts for Bosch 18V Lithium Battery to for Dewalt 18V/20V Lithium Battery DCB184/DCB181/DCB182/DCB200/DCB201 etc. : Tools & Home Improvement
BEST IMPACT DRIVER TOOL COMPARISON - DeWALT VS BOSCH - YouTube
DeWalt Battery Adapter to Bosch – Power Tools Adapters
Bosch Battery Adapter to DeWalt – Power Tools Adapters