Battery Charger, Battery Capacity 4 Ah, Charge Time (4 Ah) 60 min, Battery Capacity Charged in 1-Hour 4 Ah, Number of Ports 1, Charging Port Voltage (1) 18V, Charger Input Voltage 120V, Charger Class Rapid, For Battery Chemistry Li-ion, Indicator Light Yes, Plug Type Two-Prong, For Use With 19TR97, 22DK20, 328YJ7, 55EX99, 55EY01, 54EF60, 54EF69, 54EF70, Bosch 18V Batteries, Mfr. No. BAT612-2PK, BAT612, GAL18V-40, GBA18V40, GBA18V80 GBA18V63, GXS18V-01N14, GXS18V-02N24