... Tool Battery Charger, High frequency, switching mode battery charger 12V/4.5A,24V/2.5A,36V/1.5A,48V/1.2A High frequency, switching mode battery charger ... CV), cut-off or float (for Lead acid)2.Short-circuit protection: charger o/p current automatically when short-circuit.3. ... . Apply to: Electric power tool battery, Electric toys Output Voltage and Current: 12V/4.5A, 24V/2.5A, 36V/1.5A, 48V ...