HART 2-pack 20-Volt 4Ah Batteries and Brushless Circular Saw

20V 4.0Ah Battery 2-Pack: 4X longer runtime*, fade-free Lithium-ion power, on-board fuel gauge, more power than a standard 1.5Ah battery & works with All HART 20V tools. 20V 3 AMP Fast Charger:Charge any HART 20V battery at 3x the rate of standard 0.5 AMP charger. 20V Brushless 7-1/4" Circular Saw: 38% faster cutting with 4,000 RPM; max cut: 2-3/8";, 45° : 1-7/8"; arbor size: 5/8"; 0-56º bevel; vacuum dust attachment & LED light. Brushless motor for more power, longer runtime & longer motor life. Includes 24T thin-kerf carbide blade & hex wrench.