Amazon.com: DEWALT 20V MAX XR Battery 2-Pack + Rapid Charger - Power Tools Batteries Provide Up to 60% More Runtime, Cooling Fan Enables Faster Charging : Everything Else
DEWALT 20V MAX Battery, Lithium Ion, 2 Ah and 4 Ah, 4-Pack, Fuel Gauge LED Charge Indicators (DCB324-4) - Amazon.com