HART 2-pack 20-Volt 4Ah Batteries and Brushless Reciprocating 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 Reciprocating Saw: 20V Brushless Reciprocating Saw: Cuts through wood, metal & PVC pipe; 70% faster cutting speed with a 1-1/4" stroke length gets 65% more cuts per charge; variable speed trigger, quick-release blade lever, pivoting shoe & LED work light.