
Charge Controllers
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ProStar PWM Solar Charge Controller
Morningstar
MSRP: $165.00 - $290.00$139.00 - $239.00ProStar Solar Charge Controller The ProStar Solar Charge Controller has been a trusted name in solar technology since 1995. With over 350,000 units installed in some of the harshest environments across more than 100 countries, it has set the gold...MSRP: $165.00 - $290.00$139.00 - $239.00 -
Kid Accessories
MidNite Solar
$20.00 - $150.00MNBTS Battery temperature sensor - 15 ft. Size: 15 ft Weight: 0.5 Lbs. MNWBJR The Whiz Bang Jr is a current sense module that attaches to the standard 50mv / 500A Shunt (MNSHUNT) and wires into...$20.00 - $150.00 -
On Sale
Kid - 30amp 12v ,24v, 48v Controller
MidNite Solar
$269.10 - $775.00The KID Now Includes AGS (Auto Generator Start)The KID Is The Most Versatile Medium Sized Charge Controller On The Market. Ideal For Small Renewable Energy Systems. The KID Allows For True Input Paralleling. As Your Power Needs Grow, Add More Modules To...$269.10 - $775.00 -
Classic Controller Accessories
MidNite Solar
$6.00 - $470.00MNWBJR $81.00 The Whiz Bang Jr is a current sense module that attaches to the standard 50mv / 500A Shunt (MNSHUNT) and wires into the Classic and KID charge controllers to give Amperage readings from the shunt. To use the...$6.00 - $470.00 -
On Sale
Classic MPPT Charge Controller
MidNite Solar
MSRP: $830.00 - $1,050.00$577.27 - $730.28MidNite Solar Classic MPPT Charge Controller Harness the power of the sun with unparalleled efficiency and reliability! Are you ready to revolutionize your off-grid power system? Look no further than the MidNite Solar Classic MPPT Charge Controller...MSRP: $830.00 - $1,050.00$577.27 - $730.28Qty in Cart: 0Quantity:Price:MSRP: $830.00 - $1,050.00$577.27 - $730.28Subtotal: -
Barcelona Pre Wired
MidNite Solar
$3,730.00DESCRIPTION: The Barcelona (MNBCLNA-PW) Is The Most Powerful And Versatile Systems In Its Class. Ideal For Large Size Stand Alone And Grid-Tied Renewable Energy Systems. PRODUCT FEATURES 200 Amp 48V Output 100A Per MPPT Output Includes 2 MNSPD-600...$3,730.00 -
Arc Fault and Ground Fault kit for Hawke's Bay and Barcelona
MidNite Solar
$165.00Easy Plug In Options Board Ground Fault Uses Differential Current Between PV Negative And PV Positive System Can Be Solidly Grounded For Positive Or Negative Ground Super Reliable Arc Fault Detection Satisfies NEC And UL Requirements For Arc Fault And...$165.00 -
Barcelona Backplate
MidNite Solar
$150.00Backplate For Mounting The Barcelona And Barcelona Breaker Box. Includes Hardware To Mount The Charge Controller And Breaker Box To The Backplate. Powder Coated To Match The Barcelona. Includes QTY10 1/4-20 X ¾ Black Oxide Screws With Black Flat...$150.00 -
Barcelona breaker box
MidNite Solar
$662.00DESCRIPTION: The Barcelona Breaker Box (MNBARCELONA BREAKER BOX) The Breaker Box Includes A 200 Amp Breaker For The Battery Side As Well As Dual 30 Amp Breakers For The Pv Inputs. It Is Made Of Die Cast Aluminum And Powder Coated To Match The Barcelona...$662.00 -
Hawke's Bay Backplate
MidNite Solar
$150.00DESCRIPTION: Backplate For Mounting The Hawke's Bay 90 Or 120 With The Hawke's Bay Breaker Box. Includes Hardware To Mount The Charge Controller And Breaker Box To The Backplate. Powder Coated To Match The Hawke's Bay. Includes QTY10 1/4-20 X ¾...$150.00 -
Hawke's Bay Breaker Box
MidNite Solar
$384.00DESCRIPTION: The MNHAWKE'S BAY BB 125 Breaker Box Includes A 125 Amp Breaker For The Battery Side As Well As A 30 Amp Breaker For The Pv Input. It Is Made Of Die Cast Aluminum And Powder Coated To Match The Hawke's Bay. Construction - Powder Coated...$384.00 -
On Sale
Hawke's Bay Controller
MidNite Solar
$1,249.00 - $1,799.00HAWKE'S BAY Charge Controller: Power Your Solar System with Precision Elevate your solar energy setup with the HAWKE'S BAY Charge Controller - the ultimate solution for solar installers and off-grid enthusiasts alike. This versatile and powerful charge...$1,249.00 - $1,799.00
Solar Charge Controllers: The Essential Guide to Protecting and Optimizing Your Battery
What is a Solar Charge Controller?
A solar charge controller (also known as a charge regulator or battery regulator) is a crucial component in any off-grid solar power system. Its primary function is to:
- Safely charge your solar deep cycle battery: Ensures the battery receives the optimal charging rate to maximize its lifespan and performance.
- Prevent overcharging: Protects your battery from damage caused by excessive voltage and current from your solar panels.
- Maximize energy harvest: Some advanced charge controllers (MPPT) can increase the energy harvested from your solar panels by up to 30%.
Why You Need a Solar Charge Controller
Connecting solar panels directly to your battery is a recipe for disaster. Without a charge controller, your battery will be exposed to:
- Overcharging: Can drastically shorten the lifespan of your battery or even cause it to fail.
- Reverse current flow at night: When solar panels aren't producing power, they can actually draw energy from your battery, leading to discharge.
Types of Charge Controllers
We offer a wide range of solar charge controllers to suit your specific needs:
- Solar Charge Controllers (PWM/MPPT): Regulate the flow of energy from solar panels to batteries. MPPT controllers are more efficient than PWM controllers, especially in larger systems.
- Solar Lighting Controllers: Combine a charge controller with a programmable timer to automatically control your solar lighting system.
- AC Battery Chargers: Charge your battery bank from AC power sources (e.g., wall outlets).
- Diversion Load Controllers: Protect your battery from overcharging by diverting excess solar energy to a "dump" load (e.g., a heating element).
- Temperature Sensors: Allow your charge controller to adjust charging parameters based on battery temperature, ensuring optimal performance and longevity.
How Do Charge Controllers Work?
Charge controllers monitor the voltage and current of your battery and adjust the flow of energy from your solar panels accordingly. They use algorithms to determine the optimal charging rate and prevent overcharging.
Key Features to Look for in a Charge Controller
- MPPT technology: If you're investing in a solar power system, it's worth choosing an MPPT controller for its superior efficiency.
- LCD display: Makes it easy to monitor the status of your battery and charging system.
- Low Voltage Disconnect (LVD): Protects your battery from deep discharge by automatically disconnecting loads when the battery voltage drops too low.
- Temperature compensation: Adjusts charging parameters based on battery temperature.
Choose the Right Charge Controller for Your System
Selecting the right charge controller depends on several factors, including:
- The size of your solar array
- The voltage of your battery bank
- The types of loads you'll be powering
Our experts can help you choose the perfect charge controller to match your specific requirements.
Explore our range of high-quality solar charge controllers and ensure the optimal performance and longevity of your battery.