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Solar Freezer Chest 309L With 2Pcs 300W Solar Panel + 2Pcs Gel Battery 12V + Solar Charger Controller 50A PWM BD/BC-309Q

Solar Freezer Chest 309L With 2Pcs 300W Solar Panel + 2Pcs Gel Battery 12V + Solar Charger Controller 50A PWM BD/BC-309Q

Go Off-Grid and Keep It Fresh: 309L Solar Freezer Complete Kit

The 309L Solar Freezer Chest Kit is your ultimate, fully independent refrigeration powerhouse, designed to deliver heavy-duty cooling completely off the grid. Perfect for remote homes, eco-cabins, outdoor businesses, farms, and emergency backup, this all-in-one bundle brings together a spacious, energy-efficient 309L chest freezer with a perfectly matched solar power system.
Say goodbye to expensive electricity bills and spoiled food during power outages. Powered by high-efficiency solar panels and a reliable deep-cycle gel battery bank, this kit captures the sun's energy by day and keeps your goods frozen solid all night long.

The 309L Solar Freezer Chest Kit is a highly efficient, completely off-grid refrigeration setup designed to provide continuous heavy-duty cooling without relying on utility grid power. This all-in-one system includes a massive 309L chest freezer, two 300W high-efficiency solar panels, two premium 12V gel batteries, and a 50A PWM solar charge controller (Model: LP-309Q). It is an ideal energy-independent solution for remote homes, farms, off-grid cabins, outdoor businesses, and emergency backup power plans.

Kit Components

  • 309L DC Solar Chest Freezer: Features an ultra-efficient DC compressor and extra-thick 70mm high-density thermal insulation to hold freezing temperatures effectively with minimal power draw. Equipped with an adjustable thermostat (0°C to -23°C), it functions seamlessly as either a deep freezer or a standard refrigerator. 
  • 2 x 300W Solar Panels (600W Total): Premium monocrystalline silicon panels engineered to maximize energy capture even in low-light or overcast conditions.
  • 2 x 12V Deep-Cycle Gel Batteries: High-capacity, maintenance-free sealed gel batteries built for long lifespans, stable energy storage, and superior recovery from deep discharges. 
  • 50A PWM Solar Charge Controller (LP-309Q): The system's central regulator. It protects the batteries from overcharging and reverse current discharges while managing the 600W solar array safely via a humanized LCD interface. 

Technical Specifications Table

Component / FeatureSpecification Details
Freezer ModelBD/BC-309Q
Gross Capacity309 Liters
Input VoltageDC 12V/24V (Auto-recognition)
Rated Operational Power~78W - 80W
Temperature Range0°C to -23°C
Refrigerant GasR134a (Eco-Friendly)
Insulation Thickness70mm Cyclopentane Foam
Solar Panels Included2x 300W Panels (600W Total Output)
Batteries Included2x 12V Deep-Cycle Gel Batteries
Charge Controller50A PWM (Pulse Width Modulation)
Physical Dimensions1074 mm × 660 mm × 840 mm

Main Benefits

  • True Energy Independence: Runs entirely on 100% free renewable solar energy, protecting your inventory from frequent power outages, load shedding, or rural grid unreliability.
  • Optimized Power Allocation: The 50A rating on the LP-309Q controller provides the essential headroom needed to safely direct the 600W panel configuration into your 12V battery bank without risk of overheating.
  • Built for Demanding Climates: Heavy-duty chest design traps cold air inside when opened, making it highly effective for preserving bulk meats, fish, produce, or ice in hot environments.

Frequently Asked Questions (FAQs)

How does the freezer run during the night or on rainy days?
During peak sunlight hours, the two 300W panels produce energy to power the chest freezer while simultaneously storing excess power in the gel battery bank. When there is no sunlight, the LP-309Q charge controller seamlessly switches the system to run off the stored 12V battery power to maintain constant sub-zero temperatures. 
What is the purpose of the LP-309Q 50A PWM Charge Controller?
The charge controller serves as the protective brain of the system. It regulates the raw voltage coming from your 600W solar panels to prevent overcharging your batteries during peak noon sun. It also prevents energy from draining backward from your batteries into the solar panels at night. 
Why does this package include Gel Batteries instead of regular car batteries?
Standard automotive batteries are engineered for short, high-cranking bursts of electricity to start an engine and will quickly degrade if drained completely. The included deep-cycle gel batteries are engineered specifically for solar storage, allowing them to be slowly discharged and recharged daily over a long operational life. 
Can I use this unit as a regular refrigerator?
Yes. The chest features a wide-range adjustable mechanical thermostat. By adjusting the control dial toward 0°C or above, you can turn the deep freezer into a high-capacity refrigerator for fresh foods, dairy, and cold beverages.
K 1.00 K 1.00 (Tax excluded)
K 1.00 (Tax excluded)

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