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Basic Info.Model NO.:SL-40A~60AApplication:Collector Controller, Water Heater Controller, Solar System Controller, Charger Controller, Lighting Controller, Wind Controller, Solar Working Station, Voltage Controller, Thermal ControllerRated Voltage:12V 24VVoltage:12V 24VRated Charge Current:40AMP 60AMPLoad Current:15AMPInput Voltage Range:15~55VDCLead Acid Battery Settings:AdjustableProtection Class:IP21Cooling:Natural CoolingTerminal Size:#8AWGSize:192*140*66mmDelivery Time:7 DaysExport Markets:GlobalAdditional Info.Trademark:CSPOWER/OEMPacking:CartonStandard:CE, UL, ISO, VDSOrigin:Guangzhou, GuangdongHS Code:8507200000Production Capacity:1, 00, 000PCS/MonthProduct DescriptionCharacteristicsAdvantages:*Adopt advanced MCU microprocessor control technology.*12V/24V/48V self detect to choose output voltage.*Advanced MPPT Technology, High converting efficiency higher than 97% for minimizing energy loss.*Capable to parallel in output, to expand capacity easily.*Reversed current protection at night, over voltage and reverse polarity protection.*Capable of selecting different charging mode for various types of batteries*Capable of connecting additional DC load for wider applications*Three stage charge control system (bulk, absorption, and float mode) with optional temperature compensation*LED indicators display charge status in real time, Optional LCD digital display.*Pulse Width Modulation (PWM) technology combined with a multi-stage charge control algorithm leads to superiorCharging and enhanced battery performance.SummaryMPPT series 20A solar charge controller is controlled by CPU, According to the voltage of battery; Controller will adjust the charge current and decide if to supply the loads electricity. The following is the detailed performance:Generally keep the battery on full voltage condition.Function1. Prevent the battery from over-charging.2. Prevent the battery from over-discharging.3. Prevent supplying electricity from the battery to solar panels during nights