DEWALT 20V MAX Battery, Lithium Ion, 2 Ah and 4 Ah, 4-Pack, Fuel Gauge LED Charge Indicators (DCB324-4) - Amazon.com
DEWALT 20V MAX Battery, Bluetooth 5.0Ah Double Pack (DCB205BT-2) - Amazon .com
Amazon.com: ohyes Jobsite Fan Compatible With DeWALT 18V 20V Max 60V Flexvolt Battery Brushless Motor with USB A+C Fast Charging for Camping Workshop and Construction Site(Battery not included) : Tools & Home
Amazon.com: DEWALT 12V/20V MAX Portable Bluetooth Radio, Cordless, 100 ft Range, 3.5” Subwoofers, Jobsite (DCR028B) : Electronics