Function: 1.MPPT Solar Charge Controller 2. Users can choose 4 kinds of commonly standard batteries(Sealed lead acid, Vented, Gel, NiCd). Other kinds of batteries can be defined by users. 3. Digital tube can display battery voltage and charging current. The software can display various parameters such as model number, PV input voltage, battery type, battery voltage, charging current, charging power, working condition. 4. RS232 communication, we can offer communication protocol also, it's convenient for user's integration management. 4. This controller can be paralleled infinitely. 5. CE and RoHS Certifications are approved.We can help clients to approve other certifications. 6. 2 years warranty; 3~10 years extended technical service. Parameters: 1.Charge mode:MPPT(maximum power point tracking) 2.Charge method:Three stages: constant current(MPPT),constant voltage,floating charge 3.System type:Automatic recognition 12V/24V/48V System voltage:12V system,DC9V~DC15V ; 24V system,DC18V~DC30V ; 48V system,DC36V~DC60V 4.Soft start time:≤3S 5.Dynamic response recovery time:500us 6.MPPT efficiency:≥96.5%,≤99% 7.INPUT CHARACTERISTICS MPPT working voltage range: 12V system,DC14V~DC100V ; 24V system,DC30~DC100V ; 48V system,DC60~DC100V 8.Rated output Current:30A 9.The output control:On mode, Off mode, PV voltage control mode 10.Output control set mode:Controller button or PC software 11.PC（communication port）:RS232 12.Noise:≤40dB 13.Thermal heat-dissipating method:Fan cooling
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