12V/24V Solar Charge Controller/Regulator (10A,15A,20A,30A ) 1.CE & RoHS certificates 2.High quality & favourable ... 12V/24V Solar Charge Controller/Regulator (10A,15A,20A,30A ) PR seriesThe Fangpusun PR 10-30 series of charge ... Integrated self test Monthly maintenance chargeElectronic protection functions Overcharge protection Deep discharge protection Reverse polarity protection of load, module and ...