reasonable design as your requirements,we can offer solar systems from 1000w to 500kw 4000w solar system designDevice nameModleParameter specificationQuantitySolar panelWn250wPower rating: 250WType of solar panel:polycrystalline cellDimension:992*1936*50mmNet weight:26kgMaximum power current Im:7.21AOpen circuit voltage Voc:43.50Short circuit current Isc:8.48A16pcsBatteryPK200-12Voltage rating: ...