DEWALT 20V MAX* Starter Kit with POWERSTACK™ Compact Battery and Charger (DCBP034C) - - Amazon.com
Amazon.com: for Dewalt 20V to 18V Battery Adapter, JJXNDO 2-Pack DM18D Upgraded Version DCA1820 Converter for Dewalt 18V/20V & for Milwaukee M18 18V Battery to Work for Dewalt 18V Nicad & NiMh
DEWALT 20V MAX Battery Adapter Kit, 18V to 20V, 2 Batteries and Charger Included (DCA2203C) - - Amazon.com
DEWALT 20V MAX Battery, Lithium Ion, 2 Ah and 4 Ah, 4-Pack, Fuel Gauge LED Charge Indicators (DCB324-4) - - Amazon.com
Amazon.com: Bluetooth Speaker Fit for DeWALT 18v 20v Max Including 20-60v Flexvolt Battery for Worksite, Camping and Parties (Battery not Included) : Tools & Home Improvement
Amazon.com: 2Packs Replacement for Dewalt 20v Battery with 6.0 Ah High Capacity Compatible with Dewalt 20V Batteries Charger and Tools DCB206 DCB205 DCB204 DCB180 DCB200 : Tools & Home Improvement