Description Simultaneously charge (2) 12V or 20V MAX* batteries on the jobsite. This kit features a DCB204BT 20V MAX* XR battery with TOOL CONNECT⢠compatibility for seamless inventory management.Charges (2) 12V-20V MAX* Battery Packs at the same timeIncludes (2) USB ports to charge compatible devices (1.5 Amp Max Output)DCB204BT battery with bluetooth technology works with DEWALT's ToolConnect appSmartphone with Bluetooth 4.0, which is required to download ToolConnect AppFeatures include alerts, diagnostics, and iventory managementINCLUDES:(1) DCB102 Charger(1) DCB204BT