18000BTU Full DC Off Solar Air Conditioner 48V 2x600W Panels 4x150Ah Batteries

18000BTU Full DC Off-Grid Solar Air Conditioner 48V 2x600W Panels 4x150Ah Batteries

Quick Detail

• Type: Full DC Off-Grid Solar Air Conditioner
• Cooling Capacity: 18000 BTU
• System Configuration: Wall-Mounted Indoor Unit + Outdoor Unit
• Compressor & Motor: DC 48V
• Operation Mode: Completely Off-Grid (No Mains Power Connection Required)
• Power Source: Solar Panels + Battery Storage
• Solar System: 2 × 600W Solar Panels (1200W total), 4 × 150Ah Batteries (600Ah total at 48V), 1 × 48V/40A Charge Controller
• Daytime Operation: Solar panels charge batteries while powering the air conditioner
• Nighttime Operation: Batteries power the air conditioner after sunset
• Indoor Unit Type: Wall-Mounted Split Unit
• Suitable Regions: Areas without mains electricity or with frequent power outages
• Design: Full DC off-grid solar cooling system

Description

This 18000 BTU full DC off-grid solar air conditioner provides completely independent cooling for larger rooms without any connection to the mains power grid, designed for areas without electricity infrastructure or with frequent power outages. The system uses a DC 48V compressor and motor, enabling direct operation from battery storage without the need for an inverter or grid connection. The system consists of a wall-mounted indoor unit and an outdoor unit, paired with a solar power system that includes 2 × 600W solar panels (1200W total), 4 × 150Ah batteries (600Ah total at 48V), and 1 × 48V/40A charge controller to generate and store electricity from sunlight. The 18000 BTU cooling capacity is suitable for large living rooms, open-plan offices, restaurant dining areas, and other medium to large indoor spaces.

During daytime hours, the 1200W solar panel array generates electricity to charge the 600Ah battery bank while simultaneously powering the 18000 BTU air conditioner, allowing cooling operation during the hottest part of the day when solar irradiance is highest. After sunset, the stored battery energy continues to power the air conditioner, providing cooling throughout the night. The full DC design eliminates the energy losses associated with DC-to-AC inversion, improving overall system efficiency and reducing the required solar panel and battery capacity. The 48V DC compressor and motor are optimized for battery operation, and the 48V/40A charge controller manages battery charging, prevents overcharging, and ensures efficient power transfer from the solar panels to the batteries and compressor. The 18000 BTU capacity requires the larger 1200W solar array and 600Ah battery bank to support daytime cooling and overnight operation under typical sunny conditions.

The solar system is configured with 2 × 600W solar panels, 4 × 150Ah batteries, and 1 × 48V/40A charge controller, providing a complete off-grid power solution sized for the 18000 BTU air conditioner. The solar panels convert sunlight into electrical energy, the 48V/40A charge controller manages battery charging and prevents overcharging, and the 48V 600Ah battery bank stores energy for nighttime and cloudy-day operation. The 48V battery system directly matches the 48V DC compressor and motor, eliminating the need for voltage conversion and maximizing energy efficiency. This configuration provides 1200W of solar charging capacity and 28.8 kWh of total battery storage (48V × 600Ah), supporting extended off-grid operation for the higher-capacity 18000 BTU unit.

The 18000 BTU full DC off-grid solar air conditioner is suitable for a wide range of applications in areas without mains electricity or with frequent power outages, including larger remote residences, rural community spaces, off-grid lodges, camping facilities, disaster relief shelters, mobile clinics, and agricultural buildings. The system requires professional installation to connect the indoor unit, outdoor unit, solar panels, batteries, and charge controller. With 18000 BTU cooling capacity, full DC 48V operation, 1200W solar panel array, 600Ah 48V battery bank, 48V/40A charge controller, and complete off-grid capability with no mains power requirement, this air conditioner provides reliable, independent cooling for medium to large spaces in locations where grid electricity is unavailable or unreliable.

Specifications

Applications

Primary Scenarios

• Large Remote Residences & Off-Grid Homes: Primary cooling for large living rooms, open-plan areas, and whole-floor cooling in houses and residences in remote areas without mains electricity infrastructure. The 18000 BTU capacity covers medium to large rooms, and the 1200W solar array with 600Ah battery bank provides sufficient energy for daytime and nighttime operation. The full DC off-grid design provides independent cooling powered entirely by solar panels and battery storage.
• Rural Community Spaces & Public Buildings: Suitable for rural community centers, village halls, and small public buildings in areas where mains electricity is unavailable or unreliable. The 18000 BTU capacity covers larger gathering spaces, and the off-grid solar system provides cooling without dependence on grid infrastructure.
• Areas with Frequent Power Outages: Suitable for regions connected to the grid but experiencing frequent or prolonged power outages. The off-grid solar system provides uninterrupted cooling during grid failures, with the 600Ah battery bank supporting extended nighttime operation and the 1200W solar array recharging during the day.

Extended Scenarios

• Off-Grid Lodges & Eco-Resorts: Suitable for off-grid lodges, eco-resorts, and sustainable tourism facilities in remote locations. The 18000 BTU capacity provides cooling for larger guest rooms and common areas, and the solar-powered system aligns with eco-tourism principles of renewable energy use.
• Camping & Glamping Facilities: Suitable for larger camping sites, glamping villages, and eco-tourism facilities where grid electricity is not available. The 18000 BTU capacity is appropriate for shared facilities and larger accommodation units.
• Disaster Relief & Emergency Shelters: Suitable for disaster relief camps, emergency shelters, and humanitarian aid operations in areas where grid infrastructure has been damaged or is non-existent. The 18000 BTU capacity provides cooling for larger shelter units and community spaces, and the off-grid solar system can be transported and deployed quickly.
• Mobile Clinics & Field Hospitals: Suitable for mobile clinics, field hospitals, and remote healthcare facilities where reliable cooling is essential for patient comfort and vaccine or medication storage. The 18000 BTU capacity is appropriate for larger clinic spaces and pharmacy areas.
• Agricultural Buildings & Farmhouses: Suitable for larger farmhouses, agricultural offices, livestock shelters, and storage buildings in rural areas without grid access. The 18000 BTU capacity provides cooling for larger workspaces and temperature-sensitive agricultural storage.
• Construction Site Offices: Suitable for larger construction site offices, temporary workspaces, and worker accommodation in remote construction locations. The 18000 BTU capacity provides cooling for multiple office trailers or shared spaces.
• Mining & Resource Extraction Camps: Suitable for mining camps, oil field facilities, and resource extraction sites in remote locations. The 18000 BTU capacity provides cooling for larger worker accommodation units and common areas, reducing dependence on diesel generators.
• Telecommunication Sites: Suitable for larger telecommunication shelters and equipment rooms in remote areas where cooling is needed to maintain safe operating temperatures for electronic equipment. The 18000 BTU capacity is appropriate for larger equipment shelters, and the off-grid solar system operates alongside solar-powered telecom equipment.
• Schools & Educational Facilities in Remote Areas: Suitable for schools and educational facilities in remote rural areas without grid electricity. The 18000 BTU capacity provides cooling for larger classrooms and shared spaces, improving learning conditions for students.
• Marine & Offshore Applications: Suitable for offshore platforms, marine vessels, and coastal facilities where grid connection is not available. The 18000 BTU capacity provides cooling for larger crew quarters and operational spaces, reducing fuel consumption and operating costs.