Battery Charger, Battery Capacity 1.5 Ah, 2 Ah, 3 Ah, 4 Ah, 5 Ah, 6 Ah, 9.0 Ah, Charge Time 30 min, 60 min, Number of Ports 6, Charging Port Voltage (6) 18V, Charger Input Voltage 120V, Charger Class Standard, Charging Type Sequential, For Battery Chemistry Li-ion, Indicator Light Yes, Plug Type Two-Prong, For Use With Milwaukee(R) M18(TM) Batteries