20V MAX XR Premium Lithium-Ion 4.0Ah Battery Pack

The 20-Volt Max Premium XR lithium-ion battery outperforms every DEWALT battery that came before it and that's saying a lot. Get long-lasting power and prolonged life from this 4Ah battery that weighs just 1.42 lbs. A built-in charge meter lets you know how much juice remains so you don't get caught powerless on a job site.