DeWALT Max XR Lithium-Ion 20V 4Ah Battery DCB204 - Two Pack - Walmart.com
DeWALT 20V Lithium Ion Grease Gun Kit, Battery (4Ah), Charger, Kitbox at Tractor Supply Co.
DEWALT 20 4 Amp-Hour; Lithium Battery Kit (Charger Included) in the Power Tool Batteries & Chargers department at Lowes.com
DEWALT 20V MAX Lithium-Ion Cordless Brushless 2-Speed 30° Paper Collated Framing Nailer with 4Ah and 5Ah Batteries and Charger DCN692M1W205 - The Home Depot