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
New
Renogy 10 Amp 12V/24V PWM Negative Ground Solar Charge Controller Compact Design w/LCD & One Pair of 9In 12AWG Adaptor Kit Solar Cable Wire PV with Female & Male Connectors
  • Product 1: 【12V/24V Automatically Detect】Automatically detects 12V or 24V DC system voltages, and the LCD screen and multiple LED indicators display the solar charging and battery operation information, customizable parameters, and error codes
  • Product 1: 【Smart 4-Stage PWM Charging】Smart 4-Stage PWM charging (Bulk, Boost, Float, and Equalization) increases battery life and improves system performance. Intelligent protection against reverse polarity, overcharging, short-circuit, and reverse current.
  • Product 1: 【Compact in size】Which makes it easy to install virtually anywhere.
  • Product 1: 【Multiple battery adaptation】 Deep Cycle Sealed (AGM), Gel, Flooded and Lithium battery option ready.
  • Product 2: Two cables with hard plastic Female & Male connecters at one end and bare on the other end.

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 MPPT Solar Charge Controller 30A 12/24/36/48V Auto Solar Panels Max PV 150V Common Negative Ground Solar Regulator LED & LCD Display for Gel Sealed Flooded Lithium Type (XTRA3415N)
  • EPEVER MPPT solar charge controller 30A (XTRA3415N-XDS2) , 12V/24V/36V/48V Auto , Max PV 150V , 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 battery system.
  • Solar Panels Max PV input power: 390W @ 12V, 780W @24V, 1170W @ 36V, 1560W @ 48V battery. Common negative grounding designed of this 40A MPPT controller can be widely used for different RV, van, off-grid, marine and other solar system applications.
  • Supports lead-acid & lithium types batteries, 7 battery type selection: Sealed(AGM), Gel, Flooded, Lead-acid User; LiFePO4 Lithium, Li(NiCoMn)O2 Lithium, Lithium User(9~34V). Four stages of charging (Bulk, Absorption, Float, Equalization). View/modify working parameters via MT50 or APP (eBox adapter) or PC software via RS485 interface.
  • Three different color LED indicators and LCD display show your PV/Battery/Load status. Five buttons to easily browse and adjust system parameters.
  • Built-in protections such as: Reverse Polarity, Overcharging, Over-discharging, Overload, Short-circuit, and Reverse current.

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 30A 12V/24V PWM Solar Charge Controller, Adventurer 30A & Solar Panel Mounting Z Brackets Lightweight Aluminum Corrosion-Free Construction for RVs, Trailers, Boats, one Set of 4 Units
  • Product 1: 【12V/24V Automatically Detect】Automatically detects 12V or 24V DC system voltages (for non-lithium batteries). The LCD screen and multiple LED indicators display the solar charging and battery operation information, customizable parameters, and error codes.
  • Product 1: 【Smart 4-Stage PWM Charging】Smart 4-Stage PWM charging (Bulk, Boost, Float, and Equalization) increases battery life and improves system performance. Intelligent protection against reverse polarity, overcharging, short-circuit, and reverse current.
  • Product 1: 【Flush Mount Design】Designed to cleanly flush mount on walls, providing a sleek, integrated look. An included Surface Mount Attachment allows for versatility in mounting.
  • Product 1: 【Negative Ground】The Adventurer is a negative ground controller. This ensure compatibility with any negative ground system, which is the standard and most conventional way of grounding. Any negative connection on the solar module, battery and load can be safely earth grounded as required.
  • Product 2: Renogy mounting Z brackets are very easy to use, unique designed, and perfect for irregular surfaces

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
200 Watt Kit - 2 X 100 Watt Solar Panels with Victron Smart Solar 75|15 + Mounts & Y-Branch Connector
  • NOW ON AMAZON: One of our best selling solar panel kits!
  • WHAT'S IN THE BOX?: QTY 2 100 Watt Spartan Power solar panels, QTY 2 Spartan Power Z-Mount Bracket Sets, QTY 1 Spartan Power Y-Branch Connectors, Victron Energy SmartSolar MPPT 75|15 charge controller
  • NO CHEAP SOLAR PANELS HERE!: 9 bus bar solar cell configuration, lightweight anodized aluminum black frame, high transmission AR (anti- reflective) coated tempered glass, Plus and play junction box
  • TOP OF CLASS MPPT: Bluetooth enabled Victron MPPT SmartSolar 75|15 allows you to set-up, monitor and update the controller using smartphones, tablets or other devices.
  • US SUPPORT: Inverters R US & Spartan Power both provide US Sales Support 5 days a week! Please support US based businesses.

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
WERCHTAY 30A Solar Charge Controller 12V/ 24V Solar Panel Charge Controller Intelligent Regulator with 5V Dual USB Port Display Adjustable Parameter LCD Display and Timer Setting ON/Off Hours
  • 30A SOLAR CHARGE CONTRALLER: WERCHTAY Solar Charge controller compatibility with 12V and 24V system, Discharge Current: 30A; dual USB output 5V / 2.5A, Build-in industrial microcontroller for automatical management, memorizing various parameters set by the user and the data won't be lost when the battery runs out, suitable for lead-acid batteries: OPEN, AGM, GEL.
  • FUNCTIONAL LCD SCREEN: Easy to install and operate, Intuitive LCD display that can clearly indicate the status and data is able to switch modes and parameter configuration, The level of complete power-off is adjustable, which can perfectly protect the lithium battery from over-discharge, suitable for home, industrial, commercial etc.
  • 3-STAGE PWM CONTROL CHARGING: Fully 3-stage PWM regulation charging using direct charge, lifting charge, floating charge three-stage PWM regulation charging mode. Using the controller to realize efficient and fast intelligent charging, and effectively prolong the service life of the battery.
  • MULTIPLE INTELLIGENT PROTECTION: Built-in overcurrent protection, short circuit protection, reverse connection protection, open circuit protection, all automatic recovery, no damage to the controller, a reliable protector for your devices.
  • OUR SALES SERVICE : WERCHTAY Solar charge controller built-in instructions, please refer to the operating instructions to learn how to install and use. If you are not satisfied with your order, We have professional customer service personnel who can solve your problems online 7/24h.

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 Deep Cycle Agm Battery 12 Volt 200AH, Gray & Rover 40 Amp 12V/24V DC Input MPPT Solar Charge Controller Auto Parameter Adjustable LCD Display Solar Panel Regulator
  • Product 1: 【Maintenance Free & Safe to Use】 Manufactured with thick absorbent glass mat (AGM) separators and advanced valve regulated technology, Renogy Deep Cycle AGM Batteries save you from acid leakage and frequent maintenance. No acid leakage, no water refilling, and no harmful hydrogen gas.
  • Product 1: 【Outstanding Discharge Performance】Proprietary quinary alloy plates and exclusively treated plate grids enable low internal resistance and high discharge currents of up to 10 times the battery rated capacity. This means that Renogy AGM batteries can power home appliances with high current ratings.
  • Product 1: 【Longer Shelf Life】Made of high purity materials, Renogy Deep Cycle AGM Batteries reduce the monthly self-discharge rate below 3% at 77℉ (25℃), which is 5 times lower than their flooded counterparts. No need to recharge the battery frequently when not in use.
  • Product 1: 【Better Performance at Extreme Temp】The improved electrolyte formula ensures stable battery capacity and outstanding discharge performance from -4℉ (-20℃) to 140℉ (-60℃).
  • 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
MPPT Solar Charge Controller Tracer2210AN,20A, 12/24V auto Work; Max PV Input Power 260W @12V Battery or 520W @24V Battery. Support Gel AGM Flooded Sealed Batteries and Lithium Batteries
  • MPPT solar charge controller 20A, 12/24V auto work; Max PV input power 260W @12V Battery or 520W @24V battery. Support Gel AGM Flooded Sealed batteries and Lithium Batteries

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
48V Solar Inverter 5000W Off Grid Inverter, 48V DC to 110V AC 5KW Pure Sine Wave Power Inverter 80A MPPT Charge Work with 48V Lead-Acid Lithium Can take Solar Power/Utility Power
  • off grid 5000W Solar inverter, DC 48V to AC 110V Converter, 80amp Mppt Charging and 110V Pure Sine Wave output; Work with 48V Lead-Acid and Lithium battery, accept max 5000W 500V solar power and 90-140Vac Utility Input
  • 5KW inverter, Four Charging mode and Three output mode selectable, take different Power to charge your battery, and choose suitable source to power your load, solar panel Power/Utility/battery selectable. 48V Lead Acid or Lithium needed, Only work with 48Vdc battery system.
  • More convenice and comprehensive, Moblie APP and PC software avaliable for this solar inverter, allow you monitor your solar system in easy way. Inverter Motor Capability 3HP, Input Solar power: Max 5000W, PV voltage range:120-500Vdc, Max input solar current:16A; ; Input AC voltage: (90Vac~140Vac) ±2%
  • Less wire Easy use;this inverter is a combo of mppt controller and solar inverter, make two necessary equipment in one unit; advanced MPPT method Charging your battery, and DC Power conver to AC Power which can power your home household appliances in easy way.
  • Full protection of this 48V 5000w Inverter, PV Current/Power Limiting Protection, Battery Over-voltage/ low-voltage Protection, Load output short-circuit/Over-temperature protection etc to make sure your system safe. 24 months warranty and Solar energy system Technical Support;

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
CHUANGE Automatic ATS Dual Power Transfer Switch Solar Charge Controller for Solar Wind System DC 12V 24V 48V AC 110V 220V on/Off Grid
  • 【Beneficial to Solar or Wind System】: On cloudy or windless days when your battery gets low, it will automatically switch to grid power, protect your battery.
  • 【Works like an opposite direction UPS】: The ATS controller will switch to grid power when batteries votagle are lower than cut off point,it will switch back to battery power when the batteries votagle are higher than recovery point.
  • 【Auto distinguish】: DC 12/24/48V,AC 100-120V 60HZ / 220-240V 50HZ auto distinguish.User can define the Cut-Off and Recovery Voltages.Recovery voltage must be higher than Cut-off voltage. Battery type: Suitable for Sealed,Gel,Lead-acid,Lithium battery and so on. as long as the voltage of your battery are within the voltage ranges in the followings.9-17V at 12V system;18-30V at 24V system; 30-60V at 48V system.
  • 【Big Power】: 5.5kw(110V) or 11KW(220v),Fast Transfer time:Inverter transfer to public power ≤10ms,public power transfer to inverter ≤16ms.
  • 【LCD display】: Battery real-time voltage;working status of public power,inverter and battery.Note: The controller needs to connect the battery, powered by the battery and get battery power data.

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