Main Feature: Specifications:Condition: Brand NewRated charge current: 20AMaximum input voltage: 41VMaximum input wattage: 260W for 12V battery, 520W for 24V batteryBoost voltage: 14.6VDirect charging voltage: 14.5VFloating charge voltage: 13.8VSize: 1337035mmFunction: The solar controller used to manage battery charging helps to extend battery life by preventing overcharging and overdischarging.Note: The battery voltage must be 12V or 24VFeatures:1.Short circuit protection2.Open circuit protection3.Overcurrent protection4.Reverse connection protection5.Overcharge protection6.Over discharge protectionNotes:Other accessories demo in the picture is not included.Due to manual measurement, please allow size differences about 1-5mm.Due to the light and screen setting difference, the items color may be slightly different.