SolarPowerGeek

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
SaleNew
Renogy Boost 10A 36V/48V Auto DC Input MPPT Solar Charge Controller LCD Display Solar Panel Regulator fit for Sealed Flooded AGM, GEL, LFP, USER Battery for Golf Carts and Electric Vehicles, Rover 10A
  • 【Boost Charging】Boosts the voltage of 12V or 24V solar panels to charge 36V or 48V batteries
  • 【Wide Range Applications 】Increasing driving distance includes: electric vehicles, golf carts, scooters, trikes, and more
  • 【99% MPPT Charging Efficiency】Advanced MPPT Technology with minimum 99% tracking efficiency and 90% charge conversion efficiency for 4-stage battery charging (Bulk, Boost, Float, and Equalization) with charging
  • 【4 Preset Battery Charge】AGM/Sealed, Gel, Flooded, and Lithium. User mode also available for customizing charging
  • 【Multiple Electronic Protections】 Protect your battery, controller, and solar—including over-charge protection, reverse polarity protection, and more!

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 Tracer 3210AN MPPT Solar Charge Controller,12 24V Auto 30amp Solar Charge Regulator,Max Input 100V with LCD Display for Lead-Acid& Lithium Batteries
  • EPEVER 30A MPPT Solar Charge Controller:12V/24V Auto, Max PV 100V,Max PV input power 390W @12V Battery or 780W @24V battery;with real-time energy recording and statistical and charging power and current limitation function
  • Support AGM Gel Flooded Sealed batteries and Lithium Batteries:LiFePO4 (4s/12V; 8s/24V); Li (NiCoMn)O2 (3s/12V; 6s/24V).User mode allow to set your own charging parameters. with battery temperature compensation function.
  • Advanced MPPT technology, with efficiency no less than 99.5% ,Ultra-fast tracking speed and guaranteed tracking efficiency,Advanced MPPT control algorithm to minimize the maximum power point loss rate and loss time
  • With Overheating power reduction function;Multiple load work modes, Wide MPP operating voltage range,high quality components, perfecting system performance, with maximum conversion efficiency of 98%,Accurate recognition and tracking of multiple-peaks maximum power point;
  • The communication port adopts professional protection chip,With RS-485 communication bus interface and Modbus ,communication protocol.Monitor and set the parameters via mobile phone APP or PC software and MT50 remote meter.

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
New
Renogy 100 Watts 12 Volts Monocrystalline Solar RV Kit Off-Grid Kit with Adventurer 30A PWM LCD Charge Controller+ Mounting Brackets+ Male and Female Connectors+Solar Cables+Cable Entry housing
  • 【Efficient】High solar cell efficiency : Monocrystalline 21%; Bypass diodes minimize power drop caused by shade and ensure excellent performance in low-light environments Reliable
  • 【Reliable】EL tested solar modules; no hot-spot heating guaranteed Corrosion-resistant aluminum frame for extended outdoor use, allowing the panels to last for decades
  • 【Intuitive】Sealed, Gel, Flooded and Lithium battery charging algorithm ready 4-Stage battery charging process for a rapid, efficient, and safe battery charging;Remote monitoring and control via Bluetooth
  • 【Safe】The Renogy Adventurer is equipped with multiple electronic protections: reverse current, overcharging, short-circuit and reversed polarity ;Pre-drilled holes on the back of the panel allow for fast and secure mounting
  • 【Expandable】With the Renogy Adventurer 30A PWM Flush Mount Charge Controller, you can expand your system up to a maximum of 400W. The Renogy 100W Monocrystalline Expansion Kit is the perfect solution for future expansion

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

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
XSHION POWKIDDY RGB10MAX2 Handheld Game Console with 64G TF Card 10,000 Games, 5 Inch IPS Screen Retro Game Console WiFi and Bluetooth with Open Source Linux System Video Game Console
  • MULTIPLE GAME SUPPORT: 64G TF card / 10,000 games. Compatible with open source Linux system, vibration engine support and support for more than 20 formats simulators. Help users self-download games in the appropriate format.
  • Built-in 2-in-1 WIFI & Bluetooth: Support 2 player online games, support wireless handle connection, so you can play with your friends smoothly.
  • Upgrade Chip: The video game console adopts the RK3326 quad core 1.5GHZ chip, which can solve the problem of frame loss in game, run the game perfectly, and make the game screen smoother.
  • 5 inch OCA Full Fit IPS screen, the screen effect is very clear. Tempered glass for double protection is scratch-resistant and fall-proof, offers an exciting gaming experience and improved eye protection.
  • Built-in 4200mAh large capacity lithium battery. Long standby time and long battery life. Supports up to 8 hours of gaming. Supports fast charging with a USB cable.

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 2000W Pure Sine Wave Inverter 12V DC to 120V AC Converter & Rover 40 Amp 12V/24V DC Input MPPT Solar Charge Controller Auto Parameter Adjustable LCD Display Solar Panel Regulator fit
  • Product 1: 【POWERFUL DC-AC】2000W continuous, 4000W peak surge during load start-up, 12V to 120VAC pure sine wave with conversion efficiency >90%, reduces conversion loss.
  • Product 1: 【SAFE FOR USE】LED indicators for under-voltage and over-voltage protection, over-temperature protection, over-load protection, and short circuit indication. Cooling funs and ground-fault circuit interrupter (GFCI) protection.
  • Product 1: 【PROTECT YOUR ELECTRONICS】Advanced pure sine wave technology provides quality AC equivalent to grid power which will protect and extend the life of your electronics and appliances. With its quiet and high inductive loads, there are no strange buzzing sounds when your electronics are turned on and allow them to run smoother, cooler, and quieter.
  • Product 1: 【EASY-TO-USE】 Offers a built-in 5V/2.1A USB port, 3 AC Outlets and 1 AC Terminal Block, along with two 3tf 4AWG Cables and a 19.8ft Wired Remote.
  • Product 2: Automatically detect 12V or 24V DC system voltages Innovative MPPT technology with high tracking efficiency up to 99% and peak Conversion efficiency of 98%

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 20A MPPT Solar Charge Controller,12 24V Auto 20amp Solar Charge Regulator,Tracer 2210AN Max Input 100V with LCD Display for Lead-Acid& Lithium Batteries
  • EPEVER 20A MPPT Solar Charge Controller:12V/24V Auto, Max PV 100V,Max PV input power 260W/12V, 520W/24V;with real-time energy recording and statistical and charging power and current limitation function
  • Support AGM Gel Flooded Sealed batteries and Lithium Batteries,User mode allow to set your own charging parameters. with battery temperature compensation function.
  • Advanced MPPT technology, with efficiency no less than 99.5%,Accurately recognizing and tracking of multiple power point.Multiple load control method: manual mode, light ON/OFF, light On+Timer and test mode.
  • Blacklight LCD displays; With Overheating power reduction function controller; Wide MPP operating voltage range,high quality components, perfecting system performance,
  • The communication port adopts professional protection chip,With RS-485 communication bus interface and Modbus ,communication protocol.Monitor and set the parameters via mobile phone APP or PC software and MT50 remote meter.

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
PowMr 1500W Hybrid Solar Inverter 12VDC, Built in 80A MPPT Solar Charge Controller, MAX. PV Array Power 2000W, 230VAC Output High Frequency Pure sine Wave Inverter
  • 1500W off-grid 12V solar inverter with built-in MPPT charge controller, Pure Sine Wave Inverter 230VAC Output Work with 12V Lead-Acid and Lithium battery
  • 80A MPPT Solar Charging Inverter, MAX. PV Array Power: 2000W, Max.PV Open Circuit Voltage: 450Vdc; MAX. Charging Current: 80A, PV Array MPPT Voltage Range:90~430Vdc; Cold start function(46V), WIFI/GPRS(Option) communication support
  • 12V Hybrid inverter Can connect to lithium battery, Smart battery charger design for optimized battery performance; Compatible with mains voltage or generator power; Can be accessed to a variety of household and office loads, including refrigerators, lamps, televisions, fans, air conditioning and other loads
  • 1.5KW All in One MPPT Inverter display panel LCD display designand 3 LED indicators for dynamic display of system data and operating status, Configurable Multiple options via LCD setting
  • Auto restart while AC is recovering and Complete protections, including short circuit protection, over voltage and Over temperature protection, overload protection, reverse protection, etc.

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
Allto Solar Intelligent 10A MPPT Solar Charge Controller,10 Amp 12V DC Solar Panel Battery Charger Regulator with Digital LED Display + Charging Level for 12 Volt Wet Gel AGM Lithium LiFePO4 Battery
  • [Compact & Portable ] Improved over the PMW charge controller, Allto Solar MPPT (Maximum Power Point Tracking) charge controller bringing a new generation to maximizing use solar power to charge your system, it is 25% smaller in size but captures as high as 15%-30% performance to charge the battery with no additional self power consumption. High tracking efficiency of up to 95% while PMW charge controller is 65%-80%. Automatically detect 12V DC system voltage.
  • [ Multi-protection to Ensure Safety ] Built in over temperature protection, over voltage protection, over current protection, over charging protection, over discharging protection, over load protection, short circuit protection to provide full protection for your battery, to maximally avoids the damage due to system fault or installation error.
  • [ Works with Multiple Batteries ] Compatible with AGM, Gel, Deep Cycle Sealed, Gel, Flooded and LiFePO4 Lithium Battery. 3 stage charging: boost, float, and equalization to get the maximun use of solar energy. Great for deep cycle, starter, marine, car, powersport and more.
  • [ Visual Monitor ] Equipped with visual LED display to monitor the real-time solar current and the battery voltage and to know the exact working condition of the solar panel and battery. Completely powered by solar directly, no power consumption for the battery! Come with auto memory function, automatically return to its last selected mode.
  • [ Built to Withstand Extreme Conditions ] Durable and water-proof material built to goes with rough weather condition and hard times. Also makes it anti-drop, anti-bump, and waterproof. SAE connector enable fast and easy connecting, practical and useful.

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:

Leave a Comment