The 4aH battery bundle comes with one Hyper Tough 4aH batter along with The Hyper Tough 12V Max* Lithium-Ion Reciprocating Saw. This power saw can make precision cuts on a variety of materials in hard-to-reach and overhead places. This motor delivers up to 3000 spm with a 5/8-inch stroke length for fast and efficient cutting. This saw features tool free blade change, LED worklight for increased visibility, battery indicator, (1) 1.5Ah lithium-ion battery, and (1) 3-5 hour charger. Includes a 2-Year Limited Warranty. Discover the entire family of Hyper Tough 12-Volt Tools and accessories exclusively at Walmart.