Finding the right 12v solar charge controller has become a challenging task because there are so many choices out there. This is why we’ve compiled a list of the best 12v solar charge controllers so that you can compare them and choose the right one to fulfill your needs.

All the 12v solar charge controllers featured on this page are independently chosen. When you make any purchase through links on this site, we may earn a small commission at no extra cost to you.

Followings are the best-selling 12v solar charge controllers on Amazon today:

List of the Best 12v Solar Charge Controllers

To make your choice easier, we’ve listed here a collection of the best-selling 12v solar charge controllers available on the market today:

1

Highlighted Features:

  • 【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
  • 【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.
  • 【Compact in size】Which makes it easy to install virtually anywhere.
  • 【Multiple battery adaptation】 Deep Cycle Sealed (AGM), Gel, Flooded and Lithium battery option ready.
  • 【Wanderer10A|30A Installation Notes】 The default starting position of the Wanderer controller terminal hatches are closed (in the UP position) that could mistakenly look like an open wire hatch. Make sure to FIRST lower each terminal hatch by screwing the terminals counterclockwise (CCW) to expose the wire terminal hatch to the open position. THEN secure each cable by rotating the screws clockwise (CW) to the closed position.
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Highlighted Features:

  • [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 digital LCD 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.
  • [ Temp Sensor ] An integrated thermal sensor eliminates over-charging in hot climates and under-charging in cold climates.
  • [ Easy to Use ] SAE connector allows fast and easy connection, plug and play. Really practical and useful. IMPORTANT: This MPPT Charge controller has standard polarity as shown in the image of the user manual, a polarity adapter is required if your solar panel doesn’t match the charge controller. Check our MPPT with polarity adapter ASIN: B09W5YCRR7.
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Highlighted Features:

  • 【HIGH TRACKING EFFICIENCY】- HQST 12V 40 amp solar charge controller adopts advanced MPPT technology that ensures fast and stable track of the maximum power point, high tracking efficiency of up to 99%, and peak conversion efficiency of 98%. Maximizing the energy from solar panels to charge your system. It auto-detects 12V or 24V DC system voltages. The max load output current is 20A. If it exceeds the 20 amp DC load (240 watts), the over voltage protection will turn off the output.
  • 【PARALELL CHARGE FUNCTION】- 2 HQST MPPT controllers of the same series can work together to charge the same battery with the parallel charge cable (not included), to meet high power charging requirements. 2 controllers should come from the same series and set the same battery pack voltage. Our negative grounded controller offers overcharging/over-discharging/overload/overheat/short circuit/reverse protection. The maximum degree avoids the damage due to system fault or installation error.
  • 【LCD SCREEN DISPLAY & REMOTE MONITORING】- 40A solar controller is equipped with an LCD screen and LED fault indicators, which can not only check device operating data and status but quickly determine system faults and modify controller parameters. Built-in Bluetooth module, you can download the ‘’ChargePro 2.0” (new version) or the “PVChargePro” (old version) app for remote monitoring that keeps 300 days of historical data.
  • 【HIGHER HEAT DISSIPATION EFFICIENCY & FULL-LOAD WORKING】- Die-cast aluminum heat sink makes the heat dissipation efficiency higher, which can minimize the power loss from heat. Filling inside the controller with gel is for better PCBA cooling conduction and prevents water and other damages, extending the controller service life. With the premium IC and better PCBA, this controller can work under full load even in high temperature environment.
  • 【COMPATIBLE WITH MULTIPLE BATTERY TYPES】- The mppt solar charge controller is compatible with Flooded, AGM, Gel, and Lithium batteries. User mode allows the buyer to set their charging parameters. 3-Stage Charging: boost, float, and equalization. HQST provides a 3-year warranty and lifetime technical support. Any questions, please feel free to contact us through amazon email.
4

Highlighted Features:

  • UPGRADED SOLAR PANEL CONTROLLER: Compatible with 12V 24V system.This solar charge controller helps you manage the working of solar panels and battery in solar systems automatically with the build-in industrial microcontroller. You don’t need to reset it when the battery runs out cause it will memorize various parameters set by the user. You can also charge your mobile phone, tablet, PCs through Dual USB output 5V/2.5A (max).
  • SAFE TO USE: Equipped with overcurrent protection, short-circuit protection, inverse connection protection, low voltage, and overcharge protection, and have fully 3-stage PWM charge management. This 30A solar charge controller will help you improve the system efficiency safely and prolong the life span of the battery.
  • PLEASE NOTE: The charge regulator is only suitable for lead-acid batteries: OPEN, AGM, GEL. Do not support any other batteries. The solar controller will turn off automatically to protect the lifespan of your battery if the voltage of the battery drop below 8V.
  • LCD DISPLAY: Let you know the status and data with LCD Display. You can also switch modes and parameter configuration conveniently and can use this controller in a different place like home, industrial, commercial, etc.
  • WARRANTY: 12-month warranty and lifetime technique support. If there is any problem, please contact us through amazon email, we will arrange a refund or a replacement.
5

Highlighted Features:

  • Fit for solar Panel: 900W(12V);1700W(24V);2700W(36V);.3400W(48V);Max input Voltage:150V PV;MPPT best working voltage range:DC18V-DC80V(12V);DC30V-DC100V(24V);DC65V-DC150V(48V)
  • Support 4 charging options: Sealed Gel AGM Flooded Lithium Battery,User-defined, 12V 24V 48V Auto,36V need to be ajusted by yourself
  • The tracking rate of maximum power is ≥99% and the maximum conversion rate is >98%
  • LCD Display—clear to see operating data and working condition, Real-time energy statistics function with Multiple load control modes,Mppt solar charge controller Display the daily power generation curve and current curve.
  • Multiple protection against overcharge, over discharge, over load, short circuit, reverse polarity, over heat and battery under voltage
6

Highlighted Features:

  • 12/24VDC automatically identifying system voltage, 150V Max. PV Open Circuit Voltage. Die-cast aluminum design, ensuring excellent heat dissipation characteristic.
  • Advanced MPPT (maximum power point tracking) technology, tracking efficiency no less than 99.5%, maximum conversion efficiency of 98%.
  • Support 4 charging options: Sealed, Gel, Flooded and User.(Lithium battery charging is supported, but it must be ensured that the battery is never exhausted. The controller does not have a self-activation function for lithium batteries.)
  • Solar Panel Charge Regulator with RS485 interface , it can be monitored by cellphone APP(eBox required), PC Software and MT50 remote meter. available to meet various communication requirements in different situations.
  • MPPT Solar Regulator can be widely used for various applications, e.g. solar RV, household system and industrial field monitoring, etc.
7

Highlighted Features:

  • 30A PWM solar controller, Intelligent controller able to choose 12V/24V/36V/48V Lead-acid battery (Sealed, Gel, Flooded) and Lithium battery (LiCoMnNiO2, LiFePO4)
  • Multiple load control modes: 24Hours Working Control, Light Control, Light and Dual Time Control
  • Controller Automatic temperature compensation and Full protection, like Reverse-Polarity, Battery Reverse, Over-Heating,Over-Current, Over-Load, Low-Voltage Lightning Protection.
  • 4 stages PWM charging: Bulk, Absorption, Equalize, Float;
  • Double USB output 5V/2A and LCD display with Back-lighting shows device’s operating data and working condition
8

Highlighted Features:

  • Programmable to Charge Battery Voltages from 12 VDC to 60 VDC.
  • Advanced Continuous Maximum Power Point Tracking Increases PV Array Output by up to 30%.
  • Backlit 80 character-display shows the current operational status.
  • Input PV voltages up to 150VDC open circuit for charging battery banks from 12-60VDC.
  • Gets more amp hours from your solar panels into your batteries everyday.
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Highlighted Features:

  • 【20A Solar Charge Controller】 Anern solar panel charge controller with dual USB port is compatible with 12V/24V system. The 5V/2A USB ports support mobile phones charging or any other 5 voltages devices. The solar controller has fully 3-stage PWM charge management, improving system efficiency.
  • 【Multiple Protection】The charge controller provides short-circuit protection, open-circuit protection, reverse protection, over-load protection, low voltage and overcharge protection, more safety to use for home, industrial, etc.
  • 【Battery】The solar controller is only suitable for lead-acid batteries: OPEN, AGM, GEL, not suitable for nickel metal hydride, lithium ions or other batteries. The built-in industrial micro controller can automatically manage the work of solar panel and battery to charge.
  • 【LCD Display & Heat Dissipation】The solar charger controller comes with a LCD display to indicate the data and status. It is able to switch modes and parameter configuration. Dual MOSFET reverse current protection and better heat dissipation.
  • 【Convenient to Use】To connect the solar regulator, it simply needed three steps: 1. connect the battery; 2. connect the photovoltalc module; 3. connect the solar panel.
10

Highlighted Features:

  • 1. Workable for Sealed (GEL, Lead-Acid) & Lithium battery. Many parameter can be set such as :System voltage,Battery type,Breeze Charging;
  • 2. Specially designed for hybrid wind solar street lighting & security monitoring system. Intelligent design and easy operation suitable for household residential power system;
  • 3. For independent design, Wind adopts booster MPPT to generate in low wind speed; Solar PWM charging reduces self-consumption & system more stable;
  • 4. Discharge part working mode can be set in light control mode and time control model;Large size LCD screen and four key operation mode easier and convenient by user;
  • 5. Perfect and powerful protection function: lighting counter-attack, solar charger, over-voltage automatic braking, storage battery reverse connect and open protection, etc.
11

Highlighted Features:

  • MPPT solar charge controller advanced MPPT technology & ultra-fast tracking speed, with tracking efficiency no less than 99.5%. High quality & low failure rate components of ST and Infineon to ensure the product’s life.
  • With the adaptive three-stage charging mode based on digital control circuit, Tracer AN series controllers can effectively prolong the life-cycle of battery and significantly improve the system performance. The load, utility or generator auto-control relays make it easy to compose the hybrid power system.
  • 48v/36v/24v/12v Auto identifying system voltage. Auto control system to limit the charging power & current go over the rated value. Wide range of maximum power point operating voltage, improved photovoltaic module utilization, rated charging power & charging current double automatic limiting function. Support 4 charging options: Sealed, Gel, Flooded and User.
  • Standard Modbus communication protocol with RS485 interface, to monitor or set the parameters by using the phone Apps, MT50 Meter and PC software.
  • Dual RS485 Port (RJ45 Connector), it support up to 8 charging in parallel to expand system and meet with different monitoring requirements, so that can be widely used for various applications, e.g. solar RV, household system and field monitoring etc.
Sale12

Highlighted Features:

  • 4-STAGE PWM Technology: The Voyager controller is equipped with advanced smart PWM technology with high charging efficiency. It provides 4-stage charging (Bulk, Absorption, Float and Equalization) in order to protect the battery.
  • IP67 Rated Waterproof: With an IP67 rated waterproof design, the Voyager controller is suitable for outdoor use and will remain fully operational when exposed to water spray, rain, or condensation.
  • Multiple Protections: The Voyager controller has multiple intelligent protections against reverse polarity, over charge, short-circuit, reverse current, overload, and over discharge, keeping your battery fully protected.
  • Support Multiple Battery Types: The Voyager controller can automatically sense 12V or 24V system voltage when paired with a Gel, AGM, or Flooded batteries. It also comes with a Lithium activation feature.
  • Backlit LCD displaying system: The Voyager comes with an LCD display showing accurate and timely information including charging current, generated energy, temperature, battery voltage, and error codes that allows users to monitor and control charging.
Sale13

Highlighted Features:

  • 【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.
  • 【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.
  • 【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.
  • 【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.
  • 【Multiple Battery Adaptation】 Deep Cycle Sealed (AGM), Gel, Flooded and Lithium battery option ready.
14

Highlighted Features:

  • DUAL USB 100A MPPT SOLAR CHARGE CONTROLLER: Using innovative MPPT technology high tracking efficiency up to 99%; Please refer to the information if you are not familiar with Mppt technology: There are many kinds of MPPT technology, Our Solar Controller Mppt technology is to detect the maximum charging current, not the boost type or the automatic charging of the solar panel voltage.
  • MULTIPLE INTELLIGENT PROTECTION: Solar controller has short-circuit protection, open-circuit protection,reverse protection, over-load protection. Fully 3-stage PWM charge management, improve system efficiency and prolong the life span of the battery. For protecting the lifespan of your battery, once the voltage of the battery drop below 8V, the solar controller will turn off automatically.
  • MULTI-FUNCTION LCD DISPLAYS: This controller is 12V/24V automatically adapt,first connect the battery,then connect the solar panels,when you first use it, make sure the battery has enough voltage,so that the controller can recognize the correct battery type.
  • BUILD-IN INDUSTRIAL MICRO CONTROLLER: 16AD sampling accuracy, temperature Charging current, discharge current accurate real-time display, power generation at a glance. automatically manage the working of solar panel and battery in solar system to support charging.
  • 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. Charge controller not to connect the grounded to make the light run. It Can charge the battery and supply power to the load at the same time.
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Highlighted Features:

  • MPPT Solar Controller 100A 🌞 —【 Battery type:】 LiFePO4, AGM is compatible with more battery charging;
  • MPPT Solar Controller 100A 🌞 —【 The best open circuit voltage (Voc) of solar panels:】 12V system: Voc ≥18V, Voc≤96V; 24V system: Voc ≥36V, Voc≤96V; (automatic identification of 12V/24V system);
  • MPPT Solar Controller 100A 🌞 —【 Charging current and MAX.PV input power:】 (12V/24 system)100A: MAX.PV=1300W/2600W;
  • MPPT Solar Controller 100A 🌞 —【 Prevention:】 overcharge, overdischarge, overload, overheat, reverse polarity, lightning and other protection functions;
  • MPPT Solar Controller 100A 🌞 —【 Worry-free installation and after-sales guarantee:】 professional technical team guides the installation; Amazon warehouse logistics;
16

Highlighted Features:

  • 150 operating voltage | Solar only | Max current out: 96 amps | ETL listed to UL1741 and CSA
  • Type 1 environmental rating | Terminals are rated for 75 C | Exclusive HyperVOC extends VOC limits
  • 12-72V battery | Built in DC-Ground Fault Protection | Optional Battery Sensor for temperature correction on battery charging
  • Warranty – 5 yrs. | Listed by ETL for US & Canada | CE Certified Listed
  • FCC Class B Listed | Made in the USA
17

Highlighted Features:

  • Negative Ground 200V PV Input, Compatible with 12/24/36/48V Batteries (Lead Acid) Charging.Lithium Battery :LiFePO4/ Li(NiCoMn)O2. Only Solar Panel and Battery Connector Available
  • 80ampere Charging Current Max with big heat sink, Max. PV input power: 1000W/12V battery, 2000W/24V battery , 3000W/36V battery, 4000W/48V battery system
  • Dual RS485 Port (RJ45 Connector), it can be paralleled up to 8 units together linked by 8pin ethernet cable to make the data monitoring easy and accurate.
  • Support 4 charging options: Sealed, Gel, Flooded and User define, Battery temperature compensation will make the charging progress efficiently.
  • Standard Modbus communication protocol with RS485 interface , to monitor or set the parameters by using the phone Apps, MT50 Meter and PC software

Guide for Choosing the Best 12v Solar Charge Controller

If you are ever in the market for buying 12v solar charge controller, you probably know how difficult it is to find the best one for the money. You may get confused thinking about:

  1. Who makes the best quality 12v solar charge controller in the industry?
  2. Which one is the best 12v solar charge controller for the money?
  3. How to choose the right 12v solar charge controller on the market?

When it comes to choosing the right 12v solar charge controller among a wide variety of options, you should consider some factors. Those factors may include quality, performance, features, value, etc. Without considering those factors you may end up buying a poor quality 12v solar charge controller that will not provide you with the best value for your money.

Before investing in 12v solar charge controller, you should find the answer to the following questions:

  • Do you really need to buy 12v solar charge controller?
  • How much value you are expecting from the 12v solar charge controller?
  • What factors do you believe should be considered when buying 12v solar charge controller?

To help you make an informed decision, here we are going to discuss the factors that you should consider when shopping for 12v solar charge controller whether online or from any retail store.

Product Quality

Product quality should be the most important factor to consider when shopping for 12v solar charge controller. You are going to use this product for a long time. So, you should consider the quality of the 12v solar charge controller and make sure it will fit your requirement.

Features

The 12v solar charge controller comes with a lot of features and functionalities. we’ve mentioned the features of each of these 12v solar charge controllers so that you can choose the right one for your needs. You should read all the features of the 12v solar charge controller before making a decision.

Price

You can get an array of 12v solar charge controllers, from the cheapest to the most expensive. The 12v solar charge controller that costs more is usually made from better materials and will last longer than a cheaper one. But if you want to be able to purchase a new 12v solar charge controller every few months, you may want to consider the budget-friendly options.

Reviews and Ratings

Finally, the customer reviews and ratings should be considered when buying 12v solar charge controller. Good customer reviews and ratings indicate that the 12v solar charge controller is going to perform well whereas bad ratings and negative reviews indicate that people already have faced problems using that particular product.

Final Verdict

We hope you enjoyed our listing about the best 12v solar charge controllers. As you can see, there are still so many alternatives to choose from. So, it’s better to check out each of these items carefully and pick the right 12v solar charge controller that сan satisfies all your requirements.