ACOPOWER Midas 40A MPPT Waterproof Solar Charge Controller with Remote Meter MT-50(New Arrival 2020)



  • Advanced Charge Control Technology: Maximum Power Point Tracking (MPPT) with high tracking efficiency no less than 99.50%; peak conversion efficiency of 98%; Ultra-fast tracking speed; accurately recognizing and tracking of multiple power point
  • Easy Monitor and Operate: Multi-function LCD displays system information intuitively; User programmable for battery types, load control etc, via PC software or remote meter MT-50
  • No Worries with Electronic Protections: PV reverse polarity protection; PV short circuit protection; PV over current alarm protection; Battery overcharge protection; Battery over discharge protection; Battery reverse polarity protection; Load short circuit protection; Load overload protection; Overheating protection
  • Build-up: with 12v /24v battery (Automatic system voltage recognition); charged by solar panels according to the system, recommend Acopower 100W solar panels
  • 100% Money back for any reasons you are not satisfied. 18 Months Warranty. USA Based More than 10 Years Solar Industry Company provides you excellent customer service and technical support.
  • 40A MPPT Solar Charge Controller User  Manual
  • MT-50 Remote Meter User Manual

Midas 40A MPPT Charge Controller

The Midas 40A is ACOPOWER's first MPPT charge controller.
It is a negative ground controller. This ensure compatibility with any negative ground system, which is the standard and most conventional way of grounding.
It is 40 amps 12V/ 24v auto continuous charging capacity, enables use of up to 12V/520watts, 24V/1040watts.


  • Nominal System Voltage: 12/24VDC Auto
  • Battery Input Voltage Range: 8V~32V
  • Battery Type:

-Lead-acid battery including Sealed (default), Gel, Flooded and User;

-Lithium Battery including LiFePO4, Li and User;

  • Rated Charge Current: 40A
  • Rated charge Power: 520W/12V 1040W/24V
  • Max. PV Open Circuit Voltage: 100V (1) 92V (2)
  • MPPT Voltage Range: (Battery Voltage+2V) ~72V
  • RS485 Interface: 5VDC/200mA(RJ45)

Electronic protections:
PV reverse polarity protection                
PV short circuit protection
PV over current alarm protection            
Battery overcharge protection                 
Battery over discharge protection           
Battery reverse polarity protection              
Load short circuit protection                    
Load overload protection
Overheating protection


· Automatic identify  the controller, and display the type, model and relevant parameter data
·Large-screen multifunction LCD  displays all the operational data and system working status  in digital, graphic and textual forms 
·With six navigation function keys, the  operation is direct, convenient and rapid
·Real-time energy statistics recording
·Both data and data flowing on the same lead ,no need for  external power 
·Real-time monitoring and acoustic alarm of failure information of the controller
·Longer communication distance based on RS485

More powerful function Via MT50
·Diversified load control modes : manual, light ON/OFF, Light ON+ Timer, Time Control 
·Battery type selection
·Real-time monitor 
·Programmable parameters 
·Energy  display function

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