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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

Check it out on Amazon

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
New
Renogy Flexible Solar Panel 100 Watt 12 Volt Monocrystalline Semi-Flexible Bendable Mono Off-Grid Charger & Renogy 10 Amp 12V/24V PWM Negative Ground Solar Charge Controller Compact Design
  • Product 1: [Extremely Flexible] This flexible solar 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: [Ultra Lightweigh] Thanks to advanced polymer materials, these flexible solar panels weighs 70% less than conventional solar panels, making transportation and installation a breeze
  • Product 1: [Super Thin Lamination] Hardly noticeable, the Renogy flexible solar panel 100 watt 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 1: [Highly Durable] Rigorously tested, the 100W solar panel flexible was designed to withstand extreme wind of up to 2400 Pa and snow loads of up to 5400 Pa
  • Product 2: 【12V/24V Automatically Detect】Automatically detects 12V or 24V DC system voltages (for non-lithium batteries only), and the LCD screen and multiple LED indicators display the solar charging and battery operation information, customizable parameters, and error codes

2. EPEVER 30A MPPT Solar Charge Controller

EPEVER 30A MPPT Solar Charge Controller

Check it out on Amazon

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 IP68 Waterproof 30A MPPT Solar Charge Controller 12V 24V Auto, Solar Panel Battery Intelligent Regulator with MT50 and RS485 Cable, Used in RVs, Trailers, Boats, Yachts(Tracer7810BP)
  • 【IP68 Rated Waterproof】Designed for outdoor solar systems, this IP68 waterproof 30A MPPT solar charge controller is ideal for outdoor use. you can use it for solar RV, household system and industrial field monitoring,traffic signal, solar street light or other solar system.
  • 【Innovative MPPT Design】Automatically detects 12V/24V DC system voltages. Die-cast aluminium material ensuring excellent heat dissipation, Advanced Maximum Power Point Tracking MPPT technology, with tracking efficiency no less than 99%, maximum conversion efficiency of 98%.
  • 【Temperature Monitor and Compensation】Fitted with a Remote Temperature Sensor Port, can measure battery temperature in real-time and use this data for very accurate temperature compensation, assuring stable and constant charging. LDE indicator helps you know the solar charging status.
  • 【Multiple Protections】It has PV polarity reversal protection, battery reversal protection, over-voltage protection, over discharge protection, over temperature protection, load short circuit protection. Can prolong the battery life time.
  • 【What You Get】EPEVER Waterproof 30A MPPT controller, Remote meter MT50, RS485 cable, User manuals, and our US local professional team is at your service. If you have any questions, please feel free to contact us.

3. Renogy Adventure 30A Solar Charge Controller

Renogy Adventure 30A - Solar Charge Controller

Check it out on Amazon

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 200 Watts 12 Volts Monocrystalline RV Solar Panel Kit with Adventurer 30A LCD PWM Charge Controller & Dicor 501LSW-1 Epdm Self-Leveling Lap Sealant-10.3 Oz. Tube, White, 10.3 Fluid_Ounces
  • Product 1: [Wide Application] 800Wh daily output depends on the 4 hours sunlight availability; suited for applications that require a smaller footprint, making it a favorite for those with RVs, campers, caravan, boat, Green house and more
  • Product 1: [Excellent Performance] 22% High solar cell efficiency; Corrosion-resistant aluminum frame for outdoor use, allowing the panels to last for decades as well as withstand high winds (2400Pa) and snow loads (5400Pa)
  • Product 1: [Multiple Protection] The Renogy Adventurer-Li 30A PWM charge controller is designed for aesthetically clean flush mounting on RV or camper walls; Protection against: overcharging, overload, short-circuit, and reverse polarity
  • Product 1: [Easy Installation] Pre-drilled holes and Plug&Play cables on the back allow for fast mounting, and it supports lithium batteries, lead-acid batteries, gel batteries; 3 pairs of Y branch connectors are newly added to meet your parallel requirements
  • Product 2: Creates a secure, secondary seal along the roof’s edges, air vents, vent pipes and screw heads

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
Boost MPPT Solar Charge Controller 12A 24V/36V/48V/60V/72V Lead-Acid LiFePO4 Gel Flooded Batteries etc in Golf Cart Electric Bike Ebike Solar Charge Motor Bicycle and Solar System
  • 【Boost Charging】Boosts the voltage of 12V or 24V solar panels to charge 24V /48V/60V/72V batteries in Golf Cart,Electric Vehicles,E-bike Battery Electric Bike Electric Mountain Bike Motor Bicycle Solar Charge and Solar System.No need to add Additional Solar Panels or Change the Connection of Solar Panels
  • 【Applied to Multiple Battery Types】Max Capable Solar Panel Input Power: 12A MAX 450W Charging 24V/48V/60V/72V Lead-Acid Battery, Lithium Battery, GEL battery, Flooded Batteries
  • 【98% MPPT Charging Efficiency】Using innovative MPPT technology ,Charging efficiency UP to 98% and Conversion Efficiency up to 95%,MPPT Solar Charge Controller For 12V Solar Panel
  • 【Multiple Protection Functions】Complete Protection for overcharge, Reverse current, Overheat and Reverse wiring Short Circuit Protection.
  • 【LCD Digital Display】Visual display of Battery Charging Current, Voltage,Working Temperature,PV Solar Panel Current, Voltage and Power,Let you Easily Track the Battery Charging State

5. ALLPOWERS 20A Solar Charge Controller

ALLPOWERS 20A - Solar Charge Controller

Check it out on Amazon

 

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
ELECAENTA 300W Portable Solar Panel, Ultra-Light/ Only 13.9lbs, Flexible & Foldable Monocrystalline ETFE Solar Charger with Kickstand, IP54 Waterproof for Outdoors RV Camping Off Grid Adventures
  • HIGH CONVERSION RATE: Made of well-build monocrystalline silicon, an important specification of this solar panel is a conversion efficiency of up to 24%, which is one of the highest available. It is a ready-to-go solution for the outdoor off-grid
  • ULTRA LIGHT & FLEXIBLE DESIGN: Made of high-quality ultra-light material, 50+% lighter than other 300W solar panels, ultra light and more portable. The flexible design makes it more advanced NOT afraid of bending
  • DURABLE & IP54 WATERPROOF: Made of high-quality ETFE laminate material, making the solar panel durable. IP54 water-resistant for protecting the charging box and cables, convenient to carry the solar panel suitcase on the go or to hang it on the RV, tent, cabin, roof, tree, beach and dry camping
  • HIGH COMPATIBILITY & VERSATILE: Built-in a XT60 output port and the 3m XT60 cable, XT60 to Solar Connector Cable, XT60 to Anderson/ 8020 cable support most of the portable power stations; Suitable for charging a variety of products to meet your daily needs
  • WHAT YOU WILL GET: 1 x ELECAENTA 300W Portable Solar Panel, 1x 3M XT60 Cable, 1x XT60 to Anderson/ 8020 Cable, 1x XT60 to Solar Connector Cable, 4 x Carabiner Clips

6. Renogy Rover 40Amp Solar Charge Controller

Renogy Rover 40Amp Solar Charge Controller

Check it out on Amazon

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 400 Watt 12 Volt Monocrystalline Starter Kit with 4 pcs 100W Monocrystalline Solar Panel and 40A Rover MPPT Charge Controller & 500A Battery Monitor with Shunt
  • Product 1: 【Wide Application】1600Wh daily output depends on the 4 hours sunlight availability.This panel is suited for applications that require a smaller footprint, making it a favorite for those with RVs, campers, and more.
  • Product 1: 【Excellent Performance】22% High solar cell efficiency. Corrosion-resistant aluminum frame for outdoor use, allowing the panels to last for decades as well as withstand high winds (2400Pa) and snow loads (5400Pa).
  • Product 1: 【Multiple Protection】Renogy ROVER is a 40A MPPT solar charge controller that Automatically detect 12V or 24V DC system voltages Innovative MPPT technology with high tracking efficiency up to 99% and peak Conversion efficiency of 98%. It can prevent the battery from over charge, over voltage, discharge and short circuit, reversed polarity protection.
  • Product 1: 【Easy Installation】Pre-drilled holes and Plug&Play cables on the back allow for fast mounting. And it supports 3 types of batteries:lithium batteries, lead-acid batteries, gel batteries.
  • Product 2: 【1% Accuracy Measurement】Shunt-type monitor design provides much more accurate real-time voltage and current draw measurement.

7. EPEVER MPPT 20A Solar Charge Controller

EPEVER MPPT 20A Solar Charge Controller

Check it out on Amazon

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 IP68 Waterproof 20A MPPT Solar Charge Controller 12V 24V Auto, Solar Panel Battery Intelligent Regulator with MT50 and RS485 Cable, Used in RVs, Trailers, Boats, Yachts(Tracer5210BP)
  • 【IP68 Rated Waterproof】Designed for outdoor solar systems, this IP68 waterproof 20A MPPT solar charge controller is ideal for outdoor use. you can use it for solar RV, household system and industrial field monitoring,traffic signal, solar street light or other solar system.
  • 【Innovative MPPT Design】Automatically detects 12V/24V DC system voltages. Die-cast aluminium material ensuring excellent heat dissipation, Advanced Maximum Power Point Tracking MPPT technology, with tracking efficiency no less than 99%, maximum conversion efficiency of 98%.
  • 【Temperature Monitor and Compensation】Fitted with a Remote Temperature Sensor Port, can measure battery temperature in real-time and use this data for very accurate temperature compensation, assuring stable and constant charging. LDE indicator helps you know the solar charging status.
  • 【Multiple Protections】It has PV polarity reversal protection, battery reversal protection, over-voltage protection, over discharge protection, over temperature protection, load short circuit protection. Can prolong the battery life time.
  • 【What You Get】EPEVER Waterproof 20A MPPT controller, Remote meter MT50, RS485 cable, User manuals, and our US local professional team is at your service. If you have any questions, please feel free to contact us.

8. PowMr  80A Solar Charge Controller

PowMr  80A Solar Charge Controller

Check it out on Amazon

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
Hybrid Solar Inverter 5500W 48V DC to 220V-230V AC Pure Sine Wave Off Grid Power Inverter with 80a MPPT Solar Charge Controller Support in Parallel 9 Inverters and Running Without Battery
  • 【Uninterruptible Power Supply】: All-in-one solar charge inverter, With 80A MPPT charge controller inside. Optimized for 48 VDC system voltage,combining functions of inverter, MPPT solar charger and battery charger, let you can enjoy the stable power from the sun and the utility grid to keep you powered under any circumstances.
  • 【 Parallel Kit/Batteryless Mode】: Up to 9 units in parallel (54KW Max), or support at least 3 units in parallel into 3 phases(380V), the inverter can power the loads from PV array / ac grid without battery connected ( single unit support).
  • 【Multiple Work Mode】: Charging modes: Solar power first, Ultility power first, Solar and Utility,only Solar, designed with LCD/LED dynamic display of system data and operating status, Output: Solar first, Utility first, Solar and battery energy first, uninterrupted power supply.
  • 【Compatiblewith different Batteries】: Pure Sine Wave off GRID Solar Home Use Solar Inverter is compatible with 48V AGM/Sealed, Gel, Flooded, Lithium batteries and a User Mode for custom inputs to work with virtually all battery types. With Overload/ Over temperature/ short circuit protection.
  • 【Solar Inverter】: Max. PV Array Open Circuit Voltage 500Vdc,PV Array MPPT Voltage Range 120VDC~450VDC; Rated Power:5.5KVA/5.5KW,max charge current:80Amp,Max AC Input Voltage 300Vac, With Cold start function solar Inverter, Output 230Vac±5%, 60Hz/50Hz can be setting.

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

GHB 20A 12V 24V Solar Charge Controller

Check it out on Amazon

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
iSunergy MPPT 40A Solar Charge Controller 12V/24V DC Input Solar Panel Charge Regulator with LED and LCD Display fit for Gel, AGM, Flooded, Lithium Battery
  • Innovative Max Power Point Tracking(MPPT) technology, tracking efficiency >99.9%, high charge conversion efficiency up to 98%.
  • 12V/24V auto working, 520W/1040W, max. PV input 95V.
  • Flexible System battery selection: Flooded, Gel, AGM and Lithium. 4-stages charging: MPPT, boost, equalization, float.
  • LCD display design, read operating data and working condition easily.
  • Based RS-485 standard Modbus protocol with RJ11 interface to maximize the communication needs of different occasions.

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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