Rona: Bosch 18-V 12-in Brushless Mitre Saw with 8aH Battery $660

Stumbled across this deal at Rona. GCM18V-12GDCN14 Bosch 18-V 8 AH 12-in Brushless Mitre Saw with 8AH Battery. On sale for $660. Most retailers are selling it for $1099, so about 40 percent off. Seeks like a good deal. Battery alone is about $240, so $420 for a very highly rated saw.