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. If you want to know how a Solar Charge Controller works, you can read an in-depth report on it here.

List Of 10 Best Solar Charge Controller

1. Renogy Wanderer 10A PWM Solar Charge Controller

Renogy Wanderer 10A PWM Solar Charge Controller

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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
SaleNew
Renogy 12 Volts 10 Watts Solar Charger and Maintainer for 12V Batteries Built in MPPT Charge Controller, Backup for Car Boat Marine
  • Effortless Charging The highly efficient solar panel can charge and maintain a 12V lead-acid battery in daylight conditions.
  • Smart Controller The built-in MPPT charge controller ensures a safe and efficient charging process with a smart 3-stage charging algorithm.
  • Ultimate Safety The intelligent chip provides the battery and solar panel with comprehensive protections, including over-discharge protection, reverse polarity protection, and reverse current protection.
  • Plug-n-Play Connection The SAE connecter and adapter cables provide a convenient connection to most 13V lead-acid batteries.
  • Power source type: Solar Powered

2. EPEVER 30A MPPT Solar Charge Controller

EPEVER 30A MPPT Solar Charge Controller

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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
New
EPEVER 30A MPPT Solar Charge Controller 12V/24VDC Auto,Two-Way Load Output,Max PV 100V Common Negative Ground Solar Regulator,for 12/24V Lead-Acid and Lithium Batteries, Support no-Battery Mode
  • EPEVER MSC Series Solar Controller is a new generation of the solar controller with a two-way load output, with High quality and low failure rate components of ST or IR to ensure the service life,Advanced MPPT technology & ultra-fast tracking speed guarantee tracking efficiency up to 99.5%,Maximum DC/DC transfer efficiency up to 98.6%, full load efficiency up to 96.6 %
  • 12/24VDC Auto-recognition, accurate recognizing and tracking technology of multi-peaks maximum power point,Real-time monitor controller by an external remote meter, BT module, Wifi module or PC software. Wider MPP running voltage to increase the utilization ratio of PV modules,Common negative design
  • Rated charging current: 30A,Max. PV open circuit voltage 100V, Rated charging power: 390W/12V 780W/24V,Support the lead-acid and lithium batteries, programmable temperature compensation,Support no-battery mode, PV array powers the load directly,High-efficiency buck-boost control chip and power device, conversion efficiency up to 98.9%
  • The two-way load output voltage can be switched to 12V or 24V DC freely by an enable switch.Load 1/2:DC 12V/24V (configurable),Load rated power:Load 1: 100W,Load 2: 36W.The freely set voltage level of the two-way load output, especially suitable for voltage-sensitive loads,Configurable cut-off voltage value for the two-way load output,Customized the load two output according to the actual requirement,
  • Charge Controller Optional charging prior mode and load prior mode.Support no-battery mode,PV array powers the load directly.And Charging current limit,charging power limit,and high temperature charging power automatic reduction of function.fully ensure the system stability of access to excess PV modules and high temperature running.

3. Renogy Adventure 30A Solar Charge Controller

Renogy Adventure 30A - Solar Charge Controller

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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
SaleNew
Renogy 100 Watt 12 Volt Extremely Flexible Monocrystalline Solar Panel & Adventurer 30A 12V/24V Negative Ground PWM Flush Mount Charge Controller with LCD Display
  • Product 1: With a flex range of up to 248 degrees, this panel is capable of meeting a wide range of applications where standard panels can be inconvenient to mount, such as on the curved roof of an airstream.
  • Product 1: ETFE material has higher light transmittance, longer service life than PET material. ETFE material also has antifouling and self-cleaning abilities, ensure best performance day after day.
  • Product 1: Thanks to advanced polymer materials, this product weighs 70% less than conventional solar panels, making transportation and installation a breeze. The lightweight design also contributes to lower mpg on vehicles.
  • Product 1: Sleek and barely noticeable, the Renogy 100W flexible solar panel laid flat is only a tenth of an inch tall! Approximately 95% thinner than its rigid counterpart, this panel is ideal for a stealthy solar setup.
  • Product 2: Compatible with 12V and 24V system; Deep cycle Sealed, Gel, Flooded and Lithium battery option ready.

4. Victron SmartSolar MPPT Solar Charge Controller

Victron SmartSolar MPPT Solar Charge ControllerCheck it out on Amazon

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
New
Tgoon Dedicated MPPT Solar Charge Controller, 100V 252 x 180 x 63mm 40A Charge Controller Auto Aluminum Made for Tracer4210AN MPPT Solar Charge and Discharge Controller LCD Display 40A 12V/24V 4210AN
  • With LCD screen backlight function, the default backlight time is 60S, easy to read, Baud rate self‑defined modification function, consistent with IT/ET, the baud rate can be modified by the host computer.
  • When the internal temperature gets 810℃, turn on the high‑temperature reduced‑power charging mode, and each increase of 10°C will reduce the charging power by 5%, 10%, 20%, and 40%.
  • A dedicated 5V power supply protection chip is added to the communication port, which has short‑circuit protection and current‑limiting protection functions.
  • The algorithm is optimized to improve the dynamic response speed. When applied in a RV or cloudy weather, that is, when the battery panel is in a changeable condition, the tracking efficiency of MPP is higher.
  • When the temperature reaches above 85°C, this controller stops charging immediately. When the temperature in the machine is not more than 75℃, the rated charging power will be restored.

5. ALLPOWERS 20A Solar Charge Controller

ALLPOWERS 20A - Solar Charge Controller

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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
New
20A MPPT Solar Charge Controller 12V/24V qSolar Panel Battery Intelligent Regulator with LED Display Maximum Power Point Tracking Battery Controller (30A)
  • ❤️USB port output: USB port output is more convenient, in line with the current needs of various electronic products.
  • ❤️USB port output: USB port output is more convenient, in line with the current needs of various electronic products.
  • ❤️Large LED display: a clear large LED display with digital display, voltage, load identification, battery power identification, charging identification, etc.
  • ❤️PCB circuit board: PCB circuit board, military quality, anti-aging, effectively improve the A level.
  • ❤️Exquisite craftsmanship: This product has a wide range of uses and is an upgraded product of the traditional solar charge and discharge controller. Exquisite workmanship, stable performance and high reliability.

6. Renogy Rover 40Amp Solar Charge Controller

Renogy Rover 40Amp Solar Charge Controller

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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
SaleNew
Renogy RNG-KIT-STARTER200D-RVR40 Solar Panel kit, MPPT-Rover40 & Blue Sea Systems ST Blade Fuse Block - 12 Circuits with Negative Bus & Cover
  • Product 1: This kit includes our 40A MPPT charge controller which uses Maximum Power Point Tracking technology, transferring power up to 30% more efficiently than PWM charge controllers
  • Product 1: With a Renogy 200W Monocrystalline Starter Kit MPPT, you won't have to wonder about whether you're getting the most out of your system
  • Product 1: Monocrystalline solar cell efficiency: 21%; MPPT charge controller peak efficiency: 97%
  • Product 1: You can expand your system up to a maximum of 400W (12 Volt) or 800W (24 Volt) with a Renogy 40A MPPT Charge Controller
  • Product 2: St blade fuse block - 12 circuits with negative bus and cover

7. EPEVER MPPT 20A Solar Charge Controller

EPEVER MPPT 20A Solar Charge Controller

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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
New
EPEVER MPPT Charge Controller 20A, Solar Controller mppt 20amp Charging Controller Chargign Regular Accept Max 520W 100V Solar Power, Fit for 12V/24V Lead-Acid and Lithium battery-Xtra2210N
  • EPEVER XTRA Charge controller series, MPPT charge controller, 20A rated charge current controller; Accept Max input Solar power 520W when battery is 24V, 260W when 12V system; Max solar input voltage up to 100V(92V At 25℃/77°F environment temperature)
  • Negative Grounding controller 20amp, able to work with 12V 24V system AUTO, work with 12V24V Lead-acid(Sealed,Gel,Flooded) and LiFePO4, Li(NiCoMn)O2 battery, User.
  • Xtracer controller with Max. conversion efficiency up to 98.6%, Advanced MPPT technology & ultra-fast tracking speed guarantee tracking efficiency up to 99.5%, Limit charging power & current over rated value.
  • 20amp MPPT charging with Adanced Display, Wide MPP operating voltage range(Battery voltage +2V)~72V, Real-time energy statistics function
  • IP32 Ingress protection and Full PV charging protection, High quality and low failure rate components of ST or IR to ensure service life, CE certification(LVD EN/IEC62109,EMC EN61000-6-1/3)

8. PowMr  80A Solar Charge Controller

PowMr  80A Solar Charge Controller

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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
New
48V Hybrid Inverter 110V Output, Pure Sine Wave Inverter with Mppt Charge Controller Inverter, 48V DC to 110/120VAC Off Grid Solar Inverter, Work with 48V Lead-Acid and Lithium-Upgrade Version
  • Hybrid all-in one solar inverter, 3500w pure sine wave inverter with mppt charger, 48Vdc to 110Vac inverter. Accept Max. 145Vdc 4400W solar power.
  • 3.5KW Inverter 80amp Mppt Controller Inverter,OFF GRID Solar inverter Work with 48V Lead-Acid and Lithium battery. Able to charge your 48V battery with solar power/Generator/Utility. AC input voltage accept 110/120Vac(90Vac~140Vac Input voltage range) ±2%.
  • 48VDC to 110VAC inverter, OFF GRID system only can work with 48V Lead Acid or Lithium(range:40-60Vdc), Single phase output inverter with 3 output load working mode support.
  • 4 charging modes: Only Solar, Mains Priority, Solar Priority and Mains & Solar hybrid charging.Advanced MPPT technology Charging with an efficiency of 99.9% and inverter with DC to AC advanced SPWM technology which output pure sine wave power.
  • LCD screen and 3 LED indicators for dynamic display of system data and operating status, Intelligent variable speed fan to efficiently dissipate heat and extend system life.

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

GHB 20A 12V 24V Solar Charge Controller

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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
New
Gdcreestar Solar Charge Controller USB 12V 24V Auto 20A LCD Display 20 Amp PWM Solar Panel Battery Controller Solar Regulator with 5V USB Output
  • 【20A Solar Charge Controller USB】Gdcreestar solar charger controller are UL 1741 certified, the solar charger controller compatibility with 12V 24V system. Discharge Current: 20Amp, build-in industrial micro controller, automatically manage the working of solar panel and battery in solar system. USB output 5V/2A, to support mobile phone chargeing.
  • 【Multiple Protection Functions】Gdcreestar solar controller has battery reverse-discharge protection, battery Low Voltage Disconnection (LVD), battery reverse connection protection, Overcurrent protection. Fully 3-stage PWM charge management, improve system efficiency and prolong the life span of the battery.
  • 【Battery Type】The solar charger controller with 20A rated discharge current is compatible with 12V or 24V system automatically, suitable for lead-acid batteries (Sealed、GEL、Flooded), it's not suited for nickel hydride, lithium, Liions, or other batteries. USB 5V/2A output ports support mobile phones, tablet PCs or other devices that require 5V voltage.
  • 【Image of LCD Graphic Symbol】Comes with a display that can clearly indicate the status and data, it can be conveniently switched modes and parameter configuration, suitable for home, industrial, commercial etc.
  • 【Easy to Install and Operate】The charge controller should connect the battery first, then the solar panel, and finally the load! The disassembly sequence is contrary to the wiring order. Dual mosfet Reverse current protection, low heat production. ( Note: The charge controller will heat up when it is running. Please be careful to install the charger controller on a flat, well-ventilated place).

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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