The DCB118 is a fan-cooled fast charger that is compatible with all 18v XR and 18v/54v FLEXVOLT Batteries. This charger will charge the new DCB546 6.0Ah FLEXVOLT battery in approximately 60 minutes. An internal fan pulls air across battery to cool and reduce hot/cold pack delays. This fan assisted cooling results in faster charge times and reduced downtime in the field. Overview: Charges 18V XR and XR FLEXVOLT Li-Ion batteries. Intelligent charger - varies output current according to battery Charges 6.0Ah battery pack in 60 minutes Diagnostic LED indicator communicates battery charge status Wall mountable Compact size for easy storageBattery Charging times with the DCB118: Charge Time (approx.): 30 mins (DCB183 / 2.0Ah) Charge Time (approx.): 40 mins (DCB182 / 4.0Ah) Charge Time (approx.): 50 mins (DCB184 / 5.0Ah) Charge Time (approx.): 60 mins (DCB546 / 6.0Ah)