Simultaneous Charger: All ports of the DEWALT 20V battery charger charge at the same time Charges 12V MAX*, 20V MAX*, and FLEXVOLT 20V/60V MAX* DEWALT Batteries 8 amps output per port (simultaneously) Charges (4) DCB204 battery in 40 mins Charges (4) DCB606 battery in 60 mins Thru-Hole Wall Mounts Cord Wraps ToolConnect Tag Ready Side Brackets To Mount Onto The ToughSystem Rails