Set, 40 33.1lbs
The Home Depot
40V Max XGT Brushless Cordless 4-Piece Combo Kit (Hammer Driver-Drill/Impact Driver/Circ Saw/Flashlight) 2.5Ah/4.0Ah
Amazon
Makita GT400M1D1 40V Max XGT Brushless Lithium-Ion 7-1/4 in. Cordless Circular Saw 4-Tool Combo Kit (2.5 Ah/4 Ah)