... , NEW funcitons: RS232 port Charge current adjustable3, DC voltage: 12V DC, 24V DC, 48V DC4, battery charger buit ... buit in: YES, dimension: EI162*100 or EI162*1056, charge mode: Three stage, boost Constant Current; Boost Contant Voltage; float(with small ... 20% typical of nominal voltageRegulation±3% of selected output voltage(Battery mode) Transfer timeBlackout 3ms typical,Brownout 1ms typical,Battery ...