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What are criterias of the best mppt solar controller 40a? It is not easy to find the answer. We spent many hours to analyst top 10 mppt solar controller 40a and find the best one for you. Let’s find more detail below.

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Best mppt solar controller 40a reviews

1. Renogy Rover 40 Amp 12V/24V DC Input MPPT Solar Charge Controller Auto Parameter Adjustable LCD Display Solar Panel Regulator fit for Gel Sealed Flooded and Lithium Battery

Feature

Automatically detect 12V or 24V DC system voltages Innovative MPPT technology with high tracking efficiency up to 99% and peak. Conversion efficiency of 98%.
Die-cast aluminum design for heat dissipation and The capability of measuring the battery's temperature and remote monitoring. Customizable charging voltages.
Charges over-discharged lithium-ion batteries .Error code detection for easy self diagnoses.
Compatible with various Deep Cycle battery options: Sealed, Gel, Flooded, and Lithium. Electronic protection: Overcharging, over-discharging, overload, and short circuit. Reverse protection: Any combination of solar module and battery, without causing damage to any component. 4-stage charging: Bulk, Boost, Float, and Equalization and LCD screen with programmable charging parameters.
RS232 port allows the Rover to communicate with the BT-1 Bluetooth module, which can pair with the Renogy BT smart phone app.

2. PowMr MPPT Charge Controller 60 amp 48V 36V 24V 12V Auto - Max 190VDC Input LCD Backlight Solar Charge for Vented Sealed Gel NiCd Lithium BatterySoftware Update Version(MPPT-60A)

Feature

Software Update Version100% MPPT 60A solar charge controller Intelligent, Max efficiency 98.1%, PV utilization 99%.Built-in DSP controller with high performance Automatic battery voltage detection 12V/24V/36V/48V,Make sure batteries' voltage more than 12V to let controller has enough power to Self-detection when connected to the controller.
Fit for USER(can be set Lithium,Lifepo4)/Vented/Flooded/Sealed/Gel/NiCd battery.User programmable for absorption voltage/Floating voltage/Low voltage disconnect./Load Timer.
Blacklight LCD Dispaly PV voltage/output power/Battery voltage/charging current/working mode/Temperature and troubleshooting let you know how to correct it conveniently.
Intelligence Fan-on temperature >45 and off < 40,Porous heat dissipation.and fan use BEARING technologies increase life UP TO 5000hrs in normal use.
What You Getour fan-favorite 24-month warranty from PowMr.we consider that the larger diameter of the wire will be greater cost for customers, so we designed two connectors for each pos and negs on solar and batteries connectors. copper wires:9AWG.Hope you love it. Our email is [email protected] ,contact us if you have any question.

3. EPEVER MPPT Solar Charge Controller 40A 150V PV Solar Panel Controller Negative Ground W/ MT50 Remote Meter + Temperature Sensor PC Monitoring Cable[Tracer4215BN]

Feature

Negative Grounding MPPT Solar Charge Controller Tracer4215BN, The Advanced MPPT Control Algorithm makes this 40 Amp MPPT Controller Tracking Efficiency higher than 99.5%
150V Max PV Input Allow this Charge Controller Handles More Solar Panels Wiring in Series to minimize PV current, 5 x 12V Solar Panel Connecting in Series will be applicable
Work with all Lead Acid Batteries, Sealed AGM GEL and Flooded Battery, User mode allows buyer setting their own charging parameters.
RS-485 communication bus interface and Standard MODBUS interface available to meet various communication requirements, Temperature Sensor and PC monitoring Cable Attached
This 40 amp MPPT Solar Panel Charger works with 600W Solar Panel on 12V Battery System and 1200W on 24V Battery. Max Solar Panel 1560W, multiple load mode allow you set the load on/off in different situation. A Solid State Relay is recommended if you are using a Power Inverter

4. EPEVER 40A MPPT Solar Charge Controller 12V 24V Auto, 40 amp Negative Grounded Solar Charge Controller MPPT Max Input 100V, 520W/1040W for Lead-Acid, Lithium Batteries and Load Timer Setting

Feature

Negative Ground Controller featuring advanced MPPT technology with high tracking efficiency up to 99.5% and peak conversion efficiency of 98%. Maximizing the energy from solar panels to charge your system.
MPPT Charge Controller protection built-in against reverse polarity, overcharging, over-discharging, overload, short-circuiting, and reverse current. It protect the battery from being over-charged by the solar modules and over-discharged by the loads.
40A Solar Charge Controller charging process has been optimized for long battery life and improved system performance.It includes a 4-stage battery charging (Bulk, Boost, Float, and Equalization) and temperature compensation increase your battery life and improve your system's performance
Solar Controller MPPT support PC software,APP and MT-50. Auto identifying 12V/24V DCsystem voltage.Also compatible with various Deep Cycle battery options: Sealed, Gel, Flooded and Lithium. Multiple load control method,
MPPT Controller 40a with blackligh LCD screen for displaing system information and working condition. Die-cast aluminum design allows for efficient heat dissipation.

5. Temank EPEVER MPPT Charge Controller 40A 12V / 24V Auto, Solar Charge Controller 150V PV Negative Grounded Solar Regulator for Gel Sealed Flooded BatteryTracer 4215BN

Feature

Advanced MPPT technology High tracking efficiency no less than 99.5% Peak conversion efficiency of 98% Accurately recognizing and tracking of multiple power point
12V/24VDC automatically identifying system voltage.User programmable for 3 battery types: sealed, gel and flooded. Multiple load control method, automatic limit for maximum PV input power, ensuring no overload, more safty for using
Come with remote meter MT-50, be convenient for real-time data viewing and parameter setting. Battery temperature compensation function, real-time energy statistics function
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, Controller overheating protection

6. RICH SOLAR 40 Amp 12V/24V DC Input MPPT Solar Charge Controller with LCD Display Solar Panel Regulator for Gel Sealed Flooded and Lithium Battery Negative Ground

Feature

Batteries Compatible with various deep cycle batteries: Sealed, Gel, Flooded, and Lithium.
12V/24V Detect 12V or 24V DC system voltages automatically. Innovative MPPT technology with high tracking efficiency up to 99% and peak. Conversion efficiency of 98%.
Protection Electronic protection: Overcharging, over-discharging, overload, and short circuit. Reverse protection: Any combination of solar module and battery, without causing damage to any component.
Design Die-cast aluminum design for heat dissipation and the capability of measuring the battery's temperature and remote monitoring. Customizable charging voltages.
Bluetooth RS232 port allows to communicate with the BT-1 Bluetooth module, which can pair with smart phone app.

7. Renogy Rover 40 Amp 12V/24V MPPT Solar Charge Controller Battery Regulator Compatible with Lithium Sealed, Gel, Flooded Batteries & Bluetooth Module, Silver

Feature

Compatible with 12V and 24V systems. Also compatible with various Deep Cycle battery options: Sealed, Gel, Flooded, and Lithium (12.8V LFP).
Positive Ground controller featuring innovative MPPT (maximum power point tracking) technology with high tracking efficiency up to 99%, maximizing the energy from solar panels to charge your system. 4-stage charging (Bulk, Boost, Float, and Equalization) and temperature compensation increase your battery life and improve your system's performance.
Intelligent protection built-in against reverse polarity, overcharging, over-discharging, overload, short-circuiting, and reverse current.
LCD screen and multiple LED indicators for displaying system operation information, customizable parameters, and error codes. Aluminum heat sink allows for efficient heat dissipation.
RS232 port allows the Rover PG to communicate with the BT-1 Bluetooth module, which can pair with the Renogy BT smartphone app.

8. EPEVER 40A MPPT Solar Charge Controller Tracer BN Series Negative Ground 40 Amp Solar Panel Charge Controller 12V/24V Auto Identifying Intelligent Regulator Max. PV 150V

Feature

Advanced MPPT (Maximum Power Point Tracking) technology, Tracking efficiency no less than 99.5%, Maximum conversion efficiency of 98%.
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.
12/24VDC automatically identifying system voltage, and has multiple load control modes: manual control, light ON/OFF, light ON+Timer and time control, support 4 charging options: Sealed, Gel, Flooded and User.
Available for PC monitoring and external display unit connecting like MT50 and so on, realizing real-time data checking and parameters setting, and support software upgrade.
With Modbus communication protocol interface, it is convenient for customers to expand applications and monitor in various fields like telecommunication base station, household system, street lighting system, wilderness monitoring system, etc.

9. EPEVER MPPT Solar Charge Controller 40A 12V/24V Auto Solar Panel Charge Controller Max.PV 150V Solar Charge Regulator with MT50 Remote Meter + Temperature Sensor RST + PC Monitoring Cable RS485

Feature

Advanced MPPT (maximum power point tracking) technology, tracking efficiency no less than 99.5%, maximum conversion efficiency of 98%.
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.
12/24VDC automatically identifying system voltage, and has multiple load control modes: manual control, light ON/OFF, light ON+Timer and time control, support 4 charging options: Sealed, Gel, Flooded and User.
Solar Panel Charge Regulator with RS485 interface , it can be monitored by cellphone APP(eBox required), PC Software and MT50 remote meter. available to meet various communication requirements in different situations.
Mppt Solar Regulator can be widely used for various applications, e.g. solar RV, household system and industrial field monitoring, etc.

10. iSunergy 40A Solar Charge Controller 12V/24V Auto Solar Panel Intelligent Regulator with Dual USB Port LCD Display for Lead Acid Batteries

Feature

Advanced Maximum Power Point Tracking (MPPT) technology, with efficiency no less than 99.5%. High quality components, perfecting system performance, with maximum conversion efficiency of 98%. Ultra-fast tracking speed and guaranteed tracking efficiency.
Large-screen LCD display, charging and discharging current display, cumulative power generation and discharge power query, temperature display, light control + delay control; adjustable charge and discharge parameter, with power-off memory and other functions.
Dual USB output, the maxmum current of 2.5A, to support Apple's mobile phone charging.
All necessary protections equipped, adjustable controlling parameter of the system, easy to set up and operate.
Build-in short-circuit protection, open-circuit protection, reverse protection, over-load protection. reverse current protection, low heat production, having self-recovering and do not damage the controller.

Conclusion

By our suggestions above, we hope that you can found the best mppt solar controller 40a for you. Please don't forget to share your experience by comment in this post. Thank you!