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40-Amp 12-Volt/24-Volt Digital Solar Power Charge Controller

40-Amp 12-Volt/24-Volt Digital Solar Power Charge Controller

Product Code : CS-40
$179.99   $99.99
You Save: $80.00 ( 44% OFF )
Brand: Royal Power
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Royal Power 40 amp solar charge controller allows you to charge your 12 volt and 24 volt battery banks at a rate of 40 amps per hour. The solar panels pull the solar energy into the panels and the send the charging current through the charge controller and the then output a charging current of 12 volts or 24 volts.



  • Overload protection
  • Short circuit protection
  • Reverse discharge protection
  • Reverse polarity connection protection
  • Thunder protection
  • Low voltage protection
  • Overcharge protection
  • Battery stop and charge voltage HVD sets up
  • Charge and low voltage LCD sets up
  • Display the capability of the battery SOC
  • Loads and comeback setups.
  • Intellectualized temperature compensation
  • Record and calculate the charged AH  and display it on the LCD screen.
  • Record and calculate the discharged AH  and display it on the LCD screen
  • working temperature:-25°C --+55°C


  • Model : CS-40
  • Rated Voltage : 12V / 24V   Automatic voltage recognition
  • Max Load current : 40A
  • Input voltage range : 12V~17V / 24V~34V
  • Length≤1m Charge loop drop : <0.25V
  • Length≤1m Discharge loop drop : <0.05V
  • Over voltage protection : 17V / 34V
  • Full charge cut : 13.7V / 27.4V(Default value, can be otherwise set)
  • Low voltage cut : 10.5V~11V / 21V~22V(Default value, can be otherwise set)
  • Temperature compensation : -3mv/°C/cell
  • No load loss : ≤20mA
  • Max wire area : 4mm2
  • Ambient temperature : -25°C -- +55°C



Free Accessory Kit (Solar System Diagram)


  • Solar charge controllers keep your batteries safe. A solar charge controller is required for any solar array of 12-Watt or higher. Solar panels are unregulated and can have a-voltage higher than necessary to charge 12-volt batteries. 40-Amp Solar Digital Charge Controller will prevent overcharging of batteries by regulating the-voltage from a 12-volt solar panel to a safe level for charging 12-volt batteries. Designed for use with 12-volt solar panels this solar charge controller is safe for use with up to 40-amp or 960-Watt from a solar array. This controller will also prevent over discharge of your battery as well as protect from high-voltage surges, short circuit and loss of power through the solar panel at night. A digital LCD screen displays charging current, load current, and battery-voltage in 5 second intervals. Two LED lights display charge function and battery status. A load terminal on the solar charge controller let you dedicate one item to run through the controller, when the batteries reach critical-voltage the load will be automatically turned off to prevent a dead battery and allow the solar panel to recharge the battery before the load turns on again. This feature helps to prolong the life of your battery. This charge controller may also be used with 24-volt solar panels and batteries. The charge controller is self-adjusting and will automatically set the charge cycle. You can connect multiple solar panels up to one controller so long as you do not exceed 960-Watt or 40 amps. The charge controller is meant to be permanently connected to the battery and the solar array even when you are drawing power from the battery. Solar charge controllers should installed close to the battery in a dry and ventilated area.

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