HES EPS-MPPT-40A Charge Controller

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  • Regular price $409.99


The EPS-MPPT-40A Charge Controller is EPsolar’s second generation of MPPT controller with extensive communication ability. The die-cast aluminum design ensures excellent heat dispersion. Compared to conventional PWM controller, MPPT technology increases the charge efficiency up to 30% and  potentially decrease the power of solar array needed.

Product Features

  • Advanced MPPT technology, with efficiency no less than 99.5%
  • Maximum conversion efficiency of 98%
  • Ultra-fast tracking speed and guaranteed tracking efficiency
  • Accurately recognizing and tracking of multiple power points
  • Reliable automatic limit function of maximum PV input power, ensuring no overload under any circumstance
  • Wide MPP operating voltage range
  • Die-cast aluminum design, ensuring excellent heat dissipation characteristic
  • Multiple load control modes: manual control, light ON/OFF, light On+Timer and time control
  • Support 4 charging options: Sealed, Gel, Flooded and User
  • Battery temperature compensation function
  • Real-time energy statistics function
  • With RS-485 communication bus interface and Modbus communication protocol, it is available to meet various communication requirements in different situations
  • Available for PC monitoring and external display unit connecting like MT50 and so on, realizing real-time data checking and parameters setting
  • Support software upgrade.




Normal System Voltage 12/24V 
Max. PV Input Power 520W (12V), 1040W (24V)
Rated Battery Current 40 Amp
Rated Load Current 20 Amp
Charging Voltage 14.6V (Sealed), 14.8V (Flooded)
Dimensions 11.1" x 7.2" x 2.5"
Net weight (lbs) 6.38 lbs
Operating Temperature -35 to 55 degree C
Humidity <95% N.C
Warranty 10 year mechanical


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