Finding the right waterproof 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 waterproof solar charge controllers so that you can compare them and choose the right one to fulfill your needs.

All the waterproof 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 waterproof solar charge controllers on Amazon today:

List of the Best Waterproof Solar Charge Controllers

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

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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.
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Highlighted Features:

  • IP68 Rated Waterproof, this Intelligent 4-stage PWM solar charging controller is suitable for outdoor use,you can use it for solar fencing system, solar monitoring system, solar lighting system or other solar system.
  • It has short circuit protection, over charge protection, over discharge protection, reverse protection. Can extends battery life time.
  • Can automatically senses 12V or 24 Volt for your batteries, working mode of the solar charge regulator is 24 hours.
  • With short cables for connecting with solar panel, battery and load, and three LED lights can help you to know solar charging status, battery level, and load status.
  • Easy to mount directly on the frame of the solar panel, with heat sink design at bottom and 2pcs mounting holes. its small size also can saves you some space.
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Highlighted Features:

  • ✔️【Waterproof Solar Charge Controller】IP67 waterproof, suitable for outdoor use. Automatically identify voltage, 12V Max power: 150W, 24V Max power: 300W. The maximum current is 10A. Compatible with various 12V/24V deep-cycle batteries, such as AGM, GEL, Flooded. Adopting brand MCU chips to realize fast intelligent control and ultra-low standby power consumption.
  • ✔️【Intelligent protection】Intelligent 3-stage PMW charging improves charging efficiency. The solar controller not only extends battery life and improves system performance, but also has multiple protection functions: Battery under-voltage, over-voltage, output overload, short circuit, battery, solar panel anti-back connect protection.
  • ✔️【Indicator Monitoring】You can understand its current working status through the three indicators on the solar panel charge controller. Load normal output: green light is always on; battery is normal: green light is always on; solar panel is charging normally: red light is always on.
  • ✔️【Easy to install and operate】The solar panel controller adopts SAE port, plug and play. A manual with clear connection steps is included. There are 2 pre-drilled holes on the controller, you can install it anywhere according to your needs!
  • ✔️【What You Get】1 solar charger controller, 1 manual. Extended 12 months warranty and our 7*24h technical service support. If you have any questions, please contact us directly.
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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:

  • Optimized 3-stages charging algorithm helps the battery to get charged more effectively.
  • Overcharge protection, over-discharge protection, overload protection, reverse protection.
  • Photocell Control & Work time setting according to personal requirements, practical and useful.
  • IP65 Waterproof design, compatible with SUNER POWER 20W/30W Solar Panel Kits and other brands solar panels with stander SAE connector.
  • Extended 12 months warranty + 24/7 professional lifetime technical support.
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Highlighted Features:

  • 【SMALLEST IN SIZE】The Renogy Eclipse solar panels using SunPower solar cells, allows higher efficiency and minimized panel size, provides more flexibility for outdoor and off-grid use, easy to carry, store and set up.
  • 【Plug and play solar kit 】complete kit includes a 100W solar suitcase, a 20A waterproof charge controller, and alligator clips. Compatible with multiple kinds of 12V batteries, easily add to your existing system.
  • 【Incomparable efficiency】Renogy Eclipse solar panels using SunPower solar cells with high efficiency of up to 24% compared with the majority of solar panels falling in the 18% to 21% efficiency range.
  • 【Safety guarantee】Advanced smart PWM technology charge controller with multiple protections, ensure charging efficiency and safety.
  • 【Reailable quality】coming with a premium rugged canvas protective case, low iron-tempered glass contributes to the added durability and long-lasting quality of the panel.
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Highlighted Features:

  • Solar BOOST controller for 350W solar panels/array, recommended current input 8A, programmed with a charge voltage CC/CV at 54.2V for 14S Lithium batteries (4.17V per cell)
  • High-Speed MPPT, the GVB-8-WP tracks the M.P.P. with a speed tracking of 15 Hz (15 times per sec.)
  • The unique Genasun technology allows to hit 99% Peak Efficiency, tiny dimensions, and tiny consumption (mA)
  • Waterproof, ideal for ebikes, golf carts, and electrical vehicles
  • 5-Year Warranty, Made in the USA, CE,FCC,RoHS certifications. Datasheet in the “Technical Specification” below
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Highlighted Features:

  • 【Waterproof Solar Charge Controller】IP68 Waterproof level, aluminum shell, suitable for outdoor use. GARNDE solar charge controller can be used in solar fencing systems, solar monitoring systems, solar lighting systems, or other solar systems.
  • 【Parameter】Max charging current: 10Amps, battery system 12V/24V auto-identification. 82 x 58 x 20 mm (3.2 x 2.3 x 0.8 inches)The small size also helps you to save some space.
  • 【Battery Service Life Improvement】Three-stage charging algorithm, charge the battery evenly once a week, effectively prevent the imbalance and vulcanization of the battery, and improve the service life of the battery.
  • 【Max PV Power】Max 130W panels on 12V battery system, max 260W panels on 24V battery system. Three LED lights can help you to know solar charging status, battery level, and load status.
  • 【Easy to Install and Operate】Easy to be mounted directly on the frame of the solar panel with 4 pcs mounting holes. Package: 1* 10A Waterproof PWM Solar Charge Controller, 1* User Manual.
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Highlighted Features:

  • Waterproof Solar Boost controller for 350 W solar panels/array, max. recommended current input 8 A, charge profile for 48 V Lead-Acid/AGM/Gel/Sealed/Flooded batteries
  • High-Speed MPPT, the GVB-8 tracks the M.P.P. with a speed tracking of 15 Hz (15 times per sec.)
  • The unique Genasun technology allows to hit 99% Peak Efficiency, tiny dimensions, and tiny consumption (mA)
  • The GVB-8 boosts the voltage output starting from 5 V panel input voltage. IP68 waterproof enclosure designed for Golf Carts
  • 5-Year Warranty, Made in the USA, conform to CE, FCC, RoHS certifications
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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.
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Highlighted Features:

  • SmartSolar MPPT 100-Volt 15 amp: A solar charger gathers energy from your solar panels, and stores it in your batteries, Using the latest, fastest technology, SmartSolar maximises this energy-harvest
  • The Victron Energy SmartSolar charge controller will even recharge a severely depleted battery. It can operate with a battery voltage as low as 0 Volts, provided the cells are not permanently sulphated or otherwise damaged
  • MPPT Solar charge controller: By constantly monitoring the voltage and current output of your solar (PV) panels, MPPT technology ensures that every drop of available power is rinsed out of your panels, and harvested for storage
  • Anytime anywhere remotely control and monitor the extensive features of your SmartSolar MPPT solar charge controller with built-in Bluetooth by pairing it with your smartphone or other device via VictronConnect
  • Incorrect installation can be hazardous, Please consult a licensed professional and follow all applicable electrical codes during installation
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Highlighted Features:

  • EPEVER MPPT charge controller 30Amp kit(Tracer7810BP+MT50+RS485 Cable) 12V/24V Auto identifying system voltage . Max.PV(Voc) 100V, Max input solar panels power 390W charging for 12V battery system / 780W charging for 24V battery system,Common Negative Grounding .( Same functions as MPPT controller Tracer3210AN, Add IP67 waterproof degree )
  • Support for charging and dischargeing battery types: Lead-acid (Sealed(Default), Gel, Flooded), Lithium and User-defined. Lithium battery self-activating and low temperature protection function, Compatible with AGM batteries too, User mode allow to set your own parameters by Remote Meter MT50. Battery temperature compensation function(only for Lead-acid battery), Real-time energy statistics function.
  • Maximum conversion efficiency of 98% . Advanced Maximum Power Point Tracking (MPPT) technology, with tracking efficiency no less than 99%. Ultra-fast tracking speed and guaranteed tracking efficiency , Accurately recognizing and tracking of multiple power points. Wide MPP operating voltage range.
  • With RS-485 communication bus interface and Modbus communication protocol.Monitor and set the parameters via remote meter MT50 or mobile phone APP or PC software . LED indicators dynamically status working condition and trobluesshooting. Multiple load control working modes: Manual mode ; Light ON/Off ; Light ON +Timer ; Real-time Control mode.
  • IP67 waterproof degree , Long lifespan design .Widely used for various applications, e.g. solar RV, household system and industrial field monitoring,traffic signal, solar street light, solar garden lamp, etc.
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Highlighted Features:

  • Solar BOOST controller for 325W solar panels/array, recommended current input 8A, programmed with a charge voltage CC/CV at 41.7V for 10S Li-ion batteries (4.17V per cell)
  • High-Speed MPPT, the GVB-8-WP tracks the M.P.P. with a speed tracking of 15 Hz (15 times per sec.)
  • The unique Genasun technology allows to hit 99% Peak Efficiency, tiny dimensions, and tiny consumption (mA)
  • Waterproof, ideal for ebikes, golf carts, and electrical vehicles
  • 5-Year Warranty, Made in the USA, CE,FCC,RoHS certifications. Datasheet in the “Technical Specification” below
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Highlighted Features:

  • 🙌 INPUT VOLTAGE BETWEEN 15V AND 41V – The 10A solar controller waterproof(IP68) is suitable for Outdoor Use. Intelligent 4-stage PWM charging.The PV can convert light energy into electric energy stored in batteries which will be protected by the solar controller.
  • 🙌 Maximum power of PV is 120W for 12Vdc system and 240W for 24Vdc system, and the maximum current 10A. It is suitable for 12Vdc/24Vdc rechargeable batteries. In order to lengthen its service life, please do not overload.
  • 🙌 EASY TO MONITOR THE LED INDICATOR LIGHTS – The solar controller integrates Three LED indicator lights: green (Charge indicator), White (BAT power indicator) and Red (Output indicator). The product also provides short-circuit, open-circuit, overload protection, as well as Dual MOSFET Reverse current and low heat protection
  • 🙌 PWM CHARGE CONTROLLER – Working mode is 24 hours. Easy to mount directly to the frame of PV, the almost fuselage are surrounded by aluminium with heat sink to dissipate heat.
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Highlighted Features:

  • Nominal voltage (Vmp) 18 V
  • Nominal current (Imp) 1.4 A
  • Open-circuit voltage (Voc) 21.8 V
  • Short-circuit current (Isc) 1.6 A
  • Cell efficiency 19.5%
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Highlighted Features:

  • Waterproof Solar Boost controller for 325 W solar panels/array, max. recommended current input 8 A, charge profile for 36 V Lead-Acid/AGM/Gel/Sealed/Flooded batteries
  • High-Speed MPPT, the GVB-8 tracks the M.P.P. with a speed tracking of 15 Hz (15 times per sec.)
  • The unique Genasun technology allows to hit 99% Peak Efficiency, tiny dimensions, and tiny consumption (mA)
  • The GVB-8 boosts the voltage output starting from 5 V panel input voltage. IP68 waterproof enclosure designed for Golf Carts
  • 5-Year Warranty, Made in the USA, conform to CE, FCC, RoHS certifications
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Highlighted Features:

  • Solar Voltage BOOST controller for 350 W solar panels/array, recommended current input 8 A, programmed with a charge voltage CC/CV at 58.4 V for a 52V-nominal (14S) Li-ion batteries (4.17V per cell)
  • High-Speed MPPT, the GVB-8-WP tracks the M.P.P. with a speed tracking of 15 Hz (15 times per sec.)
  • The unique Genasun technology allows to hit 99% Peak Efficiency, tiny dimensions, and tiny consumption (mA)
  • Waterproof, ideal for ebikes, golf carts, and electrical vehicles
  • 5-Year Warranty, Made in the USA, CE,FCC,RoHS certifications. Datasheet in the “Technical Specification” below

Guide for Choosing the Best Waterproof Solar Charge Controller

If you are ever in the market for buying waterproof 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 waterproof solar charge controller in the industry?
  2. Which one is the best waterproof solar charge controller for the money?
  3. How to choose the right waterproof solar charge controller on the market?

When it comes to choosing the right waterproof 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 waterproof solar charge controller that will not provide you with the best value for your money.

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

  • Do you really need to buy waterproof solar charge controller?
  • How much value you are expecting from the waterproof solar charge controller?
  • What factors do you believe should be considered when buying waterproof 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 waterproof 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 waterproof solar charge controller. You are going to use this product for a long time. So, you should consider the quality of the waterproof solar charge controller and make sure it will fit your requirement.

Features

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

Price

You can get an array of waterproof solar charge controllers, from the cheapest to the most expensive. The waterproof 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 waterproof 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 waterproof solar charge controller. Good customer reviews and ratings indicate that the waterproof 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 waterproof 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 waterproof solar charge controller that сan satisfies all your requirements.