TRIPP LITE UBC41 4 in 1 Battery Charger 12V 24V 36V 48V Lead Acid 120/240V All-in-one charger compatible with 12V, 24V, 36V and 48V batteries Selectable high and low charge rates (H/L 12V/24V: 30A/10A; 36V: 25A/10A; 48V: 15A/7A) Selectable 120V or 240V input mains voltage Automatically selects 50 Hz or 60 Hz 1-year limited warranty