PWM Solar Battery Charge Controller SD2440S-40A12V/24V USB

brand: SainSmart SKU: 101-97-135 Variants ID: 45102812372

This series product base on in series PWM mode, with full digital technology and LCD display, auto run mode with large application range, such as off-grid solar home system, traffic indicator, solar street lights, solar garden lights and so on. The intelligent charging process has been optimized for long battery life and improved system performance.

  • 32bits CPU, sampling precision is higher, operation speed is faster
  • 12V/24VDC Automatic Identification System Voltage
  • 3 stages PWM charging: Bulk, Boost, Float
  • Sealed, Gel, Flooded battery selection procedureHumanized LCD displaying, dynamic display operation data and working state.
  • Built-in operation log, account system working state
  • Multi load control mode: Normal mode, Sensor mode, Timer mode
  • Temperature Compensation Function and Controller Over Temperature Protection Function
  • Fullest digital protection functions: Overcharging, Over-discharging, Overload, Short Circuit, Reverse Connection, Controller Over-Temperature and so on.
  • Max 16mm2 connectors, colorful connector distinguish plus and minus poles.
  • 5V 1A USB output
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  • Mode:  SD2440S
  • System Voltage:  12V/24V
  • PV Max Input Voltage:  55V
  • Self-consumption:  â‰?0mA
  • Max Charging current:  40A
  • Max Discharging current:  40A
  • LVD:  11.0V  ADJ 9Vâ€?12V;×2/24V;×4/48V
  • LVR:  12.6V  ADJ 11Vâ€?13.5V;×2/24V;×4/48V
  • Float Voltage:  13.8V  ADJ 13Vâ€?15V;×2/24V;×4/48V
  • Boost Voltage:  14.4V ; ×2/24;×4/48V battery voltage less than 12.6v auto boost 2hours
  • Battery Over Voltage Protection:  16.5V ;×2/24V;×4/48V
  • Reverse Connection Protection:  yes
  • Load Over Current Protection:  Yes, each 30s auto restart again
  • Controller Over Temperature Protection:  Yes
  • Charging Type:  PWM
  • Temperature Consumption:  -24 mV /? for 12Vsystem ;×2/24V;×4/48V
  • WorkingTemperature:  -20?---+55?
  • Terminal scale:  16mm2
  • Waterproof grade:  IP32
  • Size:  200mm×106 mm×41.5mm
  • Weight:  480g

* Please under rated power using under high temperature environment.     



  • 1 x SD2440S Solar Charging Controller
  • 1 x User Manual