... ports. Specification: ModelLYD10-24LYD10-48Rated Solar Power1kWPV Charge Current30A15ARated Battery Voltage24V48VUnload Voltage(factory default)28V56VControl ModePWMDisplay ModeLCDDisplay ParametersPV ... ,RJ45,GPRS. EtcProtection FunctionSolar reverse charge protection , Solar reverse connection protection, Battery over charge protection, Battery reverse connection protection, Lightning protection ...