Input voltage : 220V-230V Output voltage : 12V/24V Rated frequency : 47-63Hz Charger current : 10A Charging mode : three-phase Length : 18cm Width : 12.5 Height : 7cm Bosca SON-20A+ Intelligent Digital Display Charger (Black)#0124 Suitable for 12V-24V LeAd Acid Batteries. Three-stage charging mode flag. Equipped with Standard and fast charge stalls. Battery Termination reverse protection. Charging current digital display. Adopt PWM charging mode,auto stop charging when the battery gets fully charged #CODviaShopee