Best Solar Charge Controller-Your Ultimate Guide for 2021

Often wondered to prevent the solar batteries to overcharge during the day? Or reduce the battery draining? Surely you do. So stop thinking too much because Solar Charge Controller will cure your problems.

Solar Charge Controller is the manager of the power going into the battery bank, which comes from solar energy. So if you are planning to get a solar charge controller, then have a look at some of these solar charge controllers. And choose the product which best fits your needs.

Reviews of the best solar charge controller

1. Renogy Wanderer 10A PWM Solar Charge Controller

Renogy Wanderer 10A PWM Solar Charge Controller

Many of Renogy’s happy customers have praised it. For being suitable for minor power needs, durable, well built, and reliable. This advanced negative-ground solar controller is designed for off-grid solar applications. And you can use it with a 12V/24V battery or battery bank.

Integrating highly efficient PWM charging, this solar charge controller increases battery life and improves system performance too. Besides the simple interface, it uses an LCD to notify the user of battery information.

Also, you don’t need to have the stress of installation mistakes or system faults. Because it comes equipped with fully comprehensive self-diagnostics and electronic protection functions. The compact size of it makes it easy to install literally.

The integrated RS232 port allows communication with the BT-1 Bluetooth module and usage of the Renogy BT smartphone app. It can also charge over-discharged lithium batteries.

Pros:

  • Compatible with multiple battery types (sealed, gel, flooded, and lithium)
  • Smart 4 Stage PWM charging (Bulk, Boost, Float, and Equalization)
  • Sturdy and corrosion-resistant
  • RS232 communication port

Check it out on Amazon

2. EPEVER 30A MPPT Solar Charge Controller

EPEVER 30A MPPT Solar Charge Controller

EPEVER SOLAR Charge Controller uses components of international famous brands of ST and IR’s, which ensures the product service life. In addition, it can track the MPP point fast and accurately in any situation. So, it will improve energy efficiency and get the maximum solar energy.

Also, it has features like accurately recognizing and ultra-fast tracking of multiple power points. Therefore, providing maximum conversion efficiency.

This Solar Charge Controller operates with gel, sealed and flooded, lithium battery type. With the multi-function LCD display system, it can also be linked to a PC software or mobile phone app.

It’s 4 stage MPPT battery charging with multiple load work modes ensure maximum battery life protection. It best fits small DC applications, like, LED, Fan. AC load should be connected with the inverter (inverter to be connected with the battery directly).

Pros:

  • The advanced MPPT control algorithm
  • High-quality components
  • Common negative grounding design
  • Maximum input voltage 100V

Check it out on Amazon

3. Renogy Adventure 30A Solar Charge Controller

Renogy Adventure 30A - Solar Charge Controller

One more Renogy Solar Charge Controller in our list. The Renogy Adventurer is compatible with 12V and 24V systems. And above all, always ready with sealed, gel, flooded, and lithium battery options.

It has a smart 4 stage PWM charging and temperature compensation. Combined with intelligent protection against reverse polarity, overcharging, short-circuit and reverse current. It increases battery life and improves system performance too.

If you want to charge your mobile phones, tablets, or speaker it has a USB port on the front side for that. In addition, the RS232 port allows communication with the BT-1 Bluetooth module and usage of the Renogy BT smartphone app. So you can monitor and adjust the stats on your system.

You can flush mount it on walls. However if flush mounting does not appeal to you, then the surface mount attachment allows for versatility in mounting.

Pros:

  • Wide Temperature Compensation Range up to 176 F
  • RS232 Communication Port
  • Included Sensors for a more accurate reading
  • 4 stage PWM charging
  • Compatible with 12V and 24V system

Check it out on Amazon

4. Victron SmartSolar MPPT Solar Charge Controller

Victron SmartSolar MPPT Solar Charge Controller

Victron Solar Charge Controller gathers energy from your solar panels and stores it in your batteries.

Subsequently, this solar charge controller maximizes solar energy harvesting to achieve full charge in the shortest possible time.

The Victron Solar charge controller maintains battery health. Meanwhile, the ultra-fast Maximum Power Point tracking and advanced Maximum Power Point Detection improves system performance.

Also, it possesses outstanding conversion efficiency. In addition, the smart features, including Bluetooth connectivity makes it very convenient to monitor the stats on your smartphone.

Pros:

  • Natural convection cooling
  • Automatic battery voltage recognition
  • The Bluetooth control feature

Check it out on Amazon

5. ALLPOWERS 20A Solar Charge Controller

ALLPOWERS 20A - Solar Charge Controller

 

If you want a solar charge controller for your home, industrial or commercial purposes then you should try ALLPOWERS Solar Charge Controller.

ALLPOWERS comes with a display that can show the stats. In addition, it also has multiple electric protection reverse current protection and low heat production. But it is better to keep it in a shady area and not in direct sun exposure.

Also, it has an adjustable power rate with dual USB ports. And 3-stage charge management( Bulk, ABS, Float ) and 4-stage PWM charging.

Equipped with industrial-grade STM8 microprocessor it possesses more functionality to control the charger. It is relatively easy to operate. In short, we can say that it is suitable for home, industrial or commercial uses.

Pros:

  • Adjustable power rate
  • Dual USB port
  • 3 stage charge management and 4-stage PWM charging
  • Easy to set up and operate

Check it out on Amazon

6. Renogy Rover 40Amp Solar Charge Controller

Renogy Rover 40Amp Solar Charge Controller

Not just only the best features, Renogy Rover also has an attractive look too. It can automatically detect 12V or 24V DC system voltages. Because of the innovative MPPT technology, it possesses high tracking efficiency of up to 99%.

This solar charge controller has a die-cast aluminum design for heat dissipation. And also the capability of measuring the battery temperature and remote monitoring. It is compatible with various deep cycle battery options: sealed, gel, flooded, and lithium. Subsequently, it features diverse load control and electronic protection against reverse polarity, overcharging, short circuit and reverse current.

The LCD screen and multiple LED indicators are there for displaying system operation into customizable parameters and error codes. And not to forget about the RS232 port which allows communication with BT-1 Bluetooth Module and usage of the Renogy BT App.

Pros:

  • LCD screen and multiple LED
  • Die-cast aluminum design
  • Temperature sensor
  • RS232 communication port

Check it out on Amazon

7. EPEVER MPPT 20A Solar Charge Controller

This charge controller has a built-in algorithm for maximum power tracking. It has an automatic system voltage recognition (12V/24V). And auto-saving function as well.

The multi-function LCD displays all the operational data and system working status. In addition, it also has diversified load control modes.

Also, it can work with multiple battery types: gel, sealed, flooded, and user type. Because of the RS485 port, it can be connected via PC software or remote meter MT-50.

No worries about PV reverse polarity, short circuit, over current, overcharging because it covers all the electronic protection.

Pros:

  • Longer communication distance based on RS485
  • Better heat dissipation
  • Easy Monitor and Operate

Check it out on Amazon

8. PowMr  80A Solar Charge Controller

One of the compact energy-saving and battery optimizing solar charge controller. It can automatically detect 12V and 24V systems.

This charge controller has an enhanced aluminum alloy heat sink for efficient heat dissipation. Subsequently, the PWM charging mode is also there to protect your battery.

Because of the automatic temperature compensation function, it expands the battery life. There is also protection that it covers for battery including reverse discharge, reverse polarity, under-voltage, overload, short circuit.

Meanwhile, the LCD display shows all the data: PV/Battery/system status. And to clarify the LCDs are so simplified for the user. After that not to forget about the intelligent lighting and timing control with 2 years warranty and quick after-sale service support.

Pros:

  • User-friendly interface
  • Aluminum alloy heat sink for efficient heat dissipating
  • 2 Years Warranty

Check it out on Amazon

9. GHB 20A 12V 24V Solar Charge Controller

GHB 20A 12V 24V Solar Charge Controller

The GHB Solar Charge Controller can automatically manage the working of solar panels and batteries in the solar system. It makes you use 100% available solar power.

Meanwhile, the LCD which displays all parameters is with built-in energy-saving backlight. That is to say, the display is better, more clear, beautiful, modern, and power-efficient.

You can use PWM and WPC mode to improve system efficiency. It also prolongs the life span of the battery. In addition, it also covers protection like overload, short circuit, under-voltage, over-charging and reverse polarity.

This charge controller has an easy-to-use interface. The features include temperature sensor, dual DC 12V output, dual USB Output, user-friendly LCD screen display, etc. In short, it is easy to set up and operate.

Pros:

  • Dual USB Output interface
  • Fully automatic
  • Easy to operate
  • PWM and WPC modes

Check it out on Amazon

Final words-

If you have an existing inverter- battery installed at your home and are thinking of connecting them directly with your solar panels, then hold on!  They can be overcharged and maybe got damage before time. Therefore, to cure this issue you should use the Solar Charge controller. It is a small but important device. It connects after solar panels with your existing inverter and batteries.

There are few top companies that provide the best solar products and charge controllers for batteries along with good after-sale service. We listed some of the above.

You do’ have to take the stress anymore because Solar Charge Controller can maximize solar power. So, you can easily use your appliances with no problem.

Check out the reviews of other solar-powered products too:

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