Meanwell Intelligent Chargers NPB-120 NPB-240 NPB-360 NPB-450 NPB-750 NPB-1200 NPB-1700 High Efficiency and Good Value 120W~360W Metal enclosure Charging voltage adjustable through front panel (10.5~15.2V, 21~30.4V, 42~60.8V) Charging current adjustable through panel (50~100% of rated current) 2 or 3 stage selectable by DIP S.W. on front panel