Product details:

DeWalt 20V MAX XR Lithium Ion Battery 4Ah - Two Pack DCB204Description:The 20V MAX XR lithium-ion battery outperforms every DeWalt battery that came before it. 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 life remains so you don't get caught powerless on a job site.
Brand:DEWALT
Manufacturer:DeWalt