DEWALT POWERSTACK 20 5 Amp-Hour; Lithium-ion Battery and Charger (Charger Included) in the Power Tool Batteries & Chargers department at Lowes.com
DEWALT ATOMIC 20V MAX Cordless 1/2in. Ratchet, 20V MAX XR 6.0Ah Battery, 20V MAX XR 4.0Ah Battery, and 20V MAX 2.0Ah Battery DCB346-3WCF512B - The Home Depot