DEWALT (DCB606) 20V/60V Max Flexvolt Lithium 6.0Ah Battery

Maximum productivity: Less downtime with no memory and virtually no self-discharge
Only one hour to charge: When used with the DCB118 fast charger
Premium 6.0 AH battery provides 3X the capacity of the compact XR battery pack (DCB203) and 2X the capacity of the standard battery pack (DCB200)
State of charge display : LED battery charge indicator allows you to view current state of charge
Maximum initial battery voltage (measured without a workload) is 20 volts; Nominal voltage is 18