Charge time is approximately 1 hour. Key hole hanger – 4 1/8 in. Indicator lights show status of battery. Maintenance mode – batteries stored on charger are conditioned for peak performance. Charger input: 120, ac only, 60 hz. Fits all Ridgid 18 volt batteries. This item is removed from retail packaging for shipping purposes (Bulk Packaged) and will arrive in a generic box.