Battery Charger, Battery Capacity 1.5 Ah, 2 Ah, 4 Ah, Charge Time (1.5 Ah) 22 min, (2.0 Ah) 30 min, (4.0 Ah) 60 min, Battery Capacity Charged in 1-Hour 4 Ah, Number of Ports 1, Charging Port Voltage (1) 12V, Charger Input Voltage 120V, Charger Class Standard, For Battery Chemistry Li-ion, Plug Type Two-Prong, For Use With 12V Max Li-Ion Batteries