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Solar Controllers

Best Solar Controllers

From leading brands and best sellers available on the web.

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LiTime 60 Amp MPPT 12V/24V/36V/48V/

Litime

LiTime 60 Amp MPPT 12V/24V/36V/48V/Auto DC Input Solar Charge Controller is Equipped a Built- in Bluetooth Module, with Parameter Adjustable LCD Display LED Indicators Solar Panel

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#1

Winner

Renogy Rover 40 Amp 12V/24V DC Inpu

Renogy

15%OFF

Renogy Rover 40 Amp 12V/24V DC Input MPPT Solar Charge Controller Auto Parameter Adjustable LCD Display Solar Panel Regulator fit for Gel Sealed Flooded and Lithium Battery

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Sponsored

LiTime 60 Amp MPPT 12V/24V/36V/48V/

Litime

LiTime 60 Amp MPPT 12V/24V/36V/48V/Auto DC Input Solar Charge Controller is Equipped a Built- in Bluetooth Module, with Parameter Adjustable LCD Display LED Indicators Solar Panel

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#2
Renogy 60A MPPT Solar Charge Contro

Renogy

Renogy 60A MPPT Solar Charge Controller 12V/24V/36V/48V Auto, 150V Maximum Solar Input, Compatible with Lithium AGM Gel Batteries, for Home RV Marine Workshop, Rover Lite 60A

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#3
Renogy 30A 12V/24V PWM Solar Charge

Renogy

47%OFF

Renogy 30A 12V/24V PWM Solar Charge Controller with LCD Display Flush Mount Design Negative Ground, Compatible with Sealed, Gel, Flooded and Lithium Batteries, Adventurer 30A,black

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#4
Renogy 400 Watt 12 Volt Premium 4 P

Renogy

22%OFF

Renogy 400 Watt 12 Volt Premium 4 Pcs 100W Panel+40A MPPT Charge Controller+ Bluetooth Module Fuse+ Mounting Z Brackets+Adaptor Kit +Tray Cables Set, 400W, Grid 12V Solar Power System

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#5
Renogy Wanderer Li 30A 12V PWM Nega

Renogy

25%OFF

Renogy Wanderer Li 30A 12V PWM Negative Ground Solar Charge Controller Solar Panel Regulator w/ Temp Sensor Function Fit for Lithium, Sealed, Gel, and Flooded Batteries, Wanderer Li 30A

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Up to 20% off

#6
Renogy 10 Amp 12V/24V PWM Negative

Renogy

Renogy 10 Amp 12V/24V PWM Negative Ground Solar Charge Controller Compact Design w/LCD Display for AGM, Gel, Flooded and Lithium Battery, Wanderer 10A

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#7
Morningstar SunSaver 15A MPPT Solar

Morningstar Corporation

Morningstar SunSaver 15A MPPT Solar Charge Controller SS-MPPT-15L - Solar Panel Regulator, Supports 12/24V LA/Li Batteries. Load/Lighting Ctrl, HazLoc Rated, Low Noise, 5 Yr. WTY - Designed in the USA

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#8
POWLAND 80A MPPT Solar Charge Contr

POWLAND

POWLAND 80A MPPT Solar Charge Controller,12V/24V/36V/48V Auto,Max Input 150V LCD Display Regulator Intelligent Charge Controller for Sealed Gel AGM Flooded Lithium Battery

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#9
OUTBACK POWER 80AH MPPT Controller

Outback

7%OFF

OUTBACK POWER 80AH MPPT Controller

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#10
Ampinvt 80 Amp MPPT Solar Charge Co

AMPINVT

Ampinvt 80 Amp MPPT Solar Charge Controller 48V 36V 24V 12V Auto, 80A Solar Panel Regulator Max Input Power 1100W-4500W, for AGM Sealed Gel Flooded Lithium Battery

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Buying Guide for the Best Solar Controllers

Choosing the right solar controller is crucial for the efficiency and longevity of your solar power system. A solar controller, also known as a charge controller, regulates the voltage and current coming from your solar panels to your batteries, ensuring they are charged correctly and not overcharged. To make an informed decision, you need to understand the key specifications and how they align with your specific needs. Here are the main specs to consider when selecting a solar controller.
Controller TypeThere are two main types of solar controllers: Pulse Width Modulation (PWM) and Maximum Power Point Tracking (MPPT). PWM controllers are simpler and cheaper, making them suitable for smaller systems with lower power requirements. MPPT controllers are more efficient and can extract more power from your solar panels, especially in less-than-ideal conditions, making them ideal for larger systems or where maximizing energy harvest is crucial. Choose PWM for basic, cost-effective setups and MPPT for higher efficiency and performance.
Voltage CompatibilitySolar controllers come with different voltage ratings, typically 12V, 24V, or 48V. This spec indicates the voltage of the battery bank the controller can manage. It's important to match the controller voltage with your battery bank voltage. For small systems, 12V is common, while larger systems may use 24V or 48V. Ensure the controller you choose is compatible with the voltage of your solar panels and battery bank to avoid damage and ensure efficient operation.
Current Rating (Amps)The current rating of a solar controller indicates the maximum amount of current it can handle from the solar panels. This is crucial to prevent overheating and damage. To determine the right current rating, calculate the total current output of your solar panels and choose a controller that can handle at least 25% more than this value to ensure safety and longevity. For example, if your panels produce 20 amps, a controller rated for at least 25 amps is recommended.
Load ControlSome solar controllers come with load control features, allowing you to directly connect and manage DC loads. This can be useful for small off-grid systems where you want to power devices directly from the solar system. If you plan to use your solar setup to power lights, fans, or other DC appliances, look for a controller with load control capabilities. Otherwise, this feature may not be necessary for your setup.
Display and MonitoringA good solar controller should provide clear information about the system's performance, such as battery voltage, charging current, and error messages. Controllers with built-in displays or the ability to connect to external monitors or apps can help you keep track of your system's health and performance. If you prefer to have real-time data and easy monitoring, choose a controller with these features. For simpler setups, a basic controller without advanced monitoring may suffice.
Temperature CompensationTemperature compensation adjusts the charging parameters based on the battery temperature, which helps in optimizing battery life and performance. This feature is particularly important in environments with significant temperature fluctuations. If your solar system will be exposed to varying temperatures, look for a controller with temperature compensation. This ensures your batteries are charged correctly in both hot and cold conditions, extending their lifespan.