Schauer JAC0324 Charger: 24 Volt, 3 Amp with Clips Aluminum-cased 24 Volt, 3 Amp Battery Charger with Clips Worldwide Universal AC Input 90-260 volts, 50/60 Hz Charge control: Starts with a modified constant current charge, then to a constant finishing voltage, finishing with it's float standby mode. Current limiting. Fully Automatic: This charger can be left on the battery indefinitely without overcharging.