Solar-powered container cold storage

Ideal for off-grid and remote locations, our solar cold storage is a fully integrated, movable cold room with self-generated solar power, enabling independent, low-cost and stable refrigeration anytime.


● Compressor Brand: Copeland, Panasonic, Bitzer, Emerson, etc
● Voltage: 220V/50Hz, 380V/50Hz (Customized)
● Refrigerant: R404A
● Temperature Range: -55℃~20℃
● Panel material: PU (polyurethane)


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Product Overview

Solar cold storage is an integrated, off-grid refrigeration solution that combines photovoltaic power generation, energy storage system and containerized cold room structure. It uses solar energy as the main power supply and supports hybrid power modes to realize stable cooling without relying on the utility grid, greatly reducing operating cost and expanding application in remote areas.

This plug-and-play modular unit is designed for outdoor, mobile and emergency cold chain scenarios, providing reliable low-temperature preservation for seafood, meat, produce, pharmaceuticals and other temperature-sensitive goods.



  • High temp (+8~+15°C): Wine, chocolate, medicine

  • Medium temp (-2~+8°C): Fresh meat, dairy, vegetables

  • Low temp (-18~-25°C): Frozen meat, seafood, quick-frozen food

  • Quick freezing (-30~-40°C): Fresh livestock, aquatic quick-freezing

  • Ultra-low temp (≤-50°C): Biological samples, premium deep-sea seafood


  • High-density PU insulated sandwich panels

  • Branded condensing units

  • Air cooler

  • Electrical control system

  • Expansion valves

  • Standard cold room doors and accessories

  • Container

  • Solar panels

  • Inverter



  • Powered by clean solar energy, significantly reducing electricity cost

  • Off-grid capability for areas without power supply

  • Integrated design, no complicated construction required

  • High mobility and flexibility for multiple scenarios

  • Solar cold storage is environmentally friendly, low carbon emission

  • Stable performance and long service life


To provide an accurate solution and quotation, the following information is required:

  • Container size: 20ft / 40ft

  • Stored goods and required storage temperatures

  • Local voltage and power supply conditions

  • Local sunshine conditions and installation environment

  • Preferred power supply mode and backup power type

  • Application scenario and daily working hours


Specifications
Parameter20 foot standard model40 foot standard model
Solar systemMunicipal/lithium power generation system
Solar panel power4 kWp10 kWp
Energy storage battery capacity12 kWp30 kWp
Cold storage volume26m³65m³
Thickness of insulation layer100mm100mm
Temperature range-20°C to +15°C Adjustable
Ambient temperature-10°C ~ +50°C-10°C ~ +50°C
Relative humidity30% ~ 90%30% ~ 90%
Power supply methodPriority given to solar energy, with the option to connect to mains or diesel power for backup


Application Scenarios
seaf

Seafood & Fishery Freezing

Low-temperature freezing storage for aquatic and seafood goods. Lock freshness, suppress bacteria and slow down deterioration for long-term preservation and transit.

meat

Meat & Poultry Cold Storage

Stable low-temp storage for meat and poultry. Inhibit microbes, prevent spoilage and discoloration to ensure food safety and batch storage.

fruit

Fruit & Veg Fresh-Keeping

Precise temperature & humidity control for fruits and vegetables. Slow ripening, reduce rot and extend shelf life for off-season sales.

bexer1

Beverage & Dairy Cold Chain

Special cold storage for drinks and dairy products. Stabilize taste and quality, prevent deterioration and meet large-scale circulation needs.

mecical

Medical pharmaceutical storage

Standard low-temperature storage for medicines and medical supplies. Precise temperature control to maintain drug efficacy and meet medical compliance.

Chemical Raw Material Storage

Constant-temperature storage for chemical materials. Avoid temperature-induced reaction, volatilization and quality change to guarantee safety.


FAQ
Q: What core product do you supply for off-grid refrigeration storage?
A: We manufacture solar powered container cold storage, and this solar powered container cold storage fully relies on PV panels and lithium batteries, working without grid power. It keeps steady -25℃ to +15℃ for fruits, seafood and vaccines in remote areas with weak electricity infrastructure.
Q: What temperature range can your solar cold storage maintain?
A: Our solar cold storage supports adjustable temperatures from -25℃ freezer mode to +18℃ fresh-keeping mode. Equipped with thick PIR insulation and DC inverter compressors, it stabilizes internal temperature even under strong outdoor high-temperature sunshine all day long.
Q: Can the solar cold storage work normally on rainy or cloudy days?
A: Yes, our solar cold storage matches large-capacity lithium battery packs to store surplus solar power in sunny hours. It can sustain 3–5 continuous cloudy days of stable refrigeration without sunlight, and we provide hybrid grid backup as an optional upgrade for clients.
Q: What sizes of solar cold storage containers can you customize for buyers?
A: As a professional cold storage factory, we offer standard 10ft, 20ft and 40ft solar cold storage containers, and accept custom dimensions based on clients’ storage volume demands. All container bodies adopt waterproof, anti-corrosion shipping container structures for long outdoor service.

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