Solar Freeze SunStar ST-21CF
Best high capacity freezer for off grid living and remote cabins.
This versatile chest unit bridges the gap between off-grid living and reliable food storage. By operating directly on DC power without an inverter, it maximizes energy efficiency for cabins, RVs, or remote locations. Its dual-mode thermostat allows it to function as either a refrigerator or a freezer, providing flexible preservation options for any off-grid setup.
$2965.00
at
Solar-store
Who it's for
- Off-grid homeowners seeking to maximize their solar battery life
- Large families or homesteaders requiring significant frozen food storage
- Remote residents living in areas with inconsistent sunlight or weather
Who should skip it
- Budget-conscious shoppers looking for a low-cost appliance solution
- Apartment dwellers or tiny home owners with limited square footage
- Casual consumers wanting a simple plug-and-play appliance experience
Performance breakdown
Off-grid efficiency
Direct DC operation eliminates inverter energy loss for maximum battery life.
Thermal retention
Thick insulation and double gaskets keep contents frozen during power fluctuations.
Versatility
Dual-mode thermostat seamlessly switches between deep freezing and standard refrigeration.
Build durability
Galvanized steel interior withstands heavy use in rugged, remote environments.
Portability
Heavy-duty casters make moving this massive unit manageable on flat surfaces.
Storage capacity
Massive 21 cubic foot interior handles bulk storage for extended trips.
Key Specs
Capacity
21 cu ft
Volume
595 Liters
Dimensions
82.25 inches W x 37.7 inches H x 30.75 inches D
Weight
230 lbs
Voltage
12V / 24V DC
Power Consumption
105 Watts
Insulation
4.6 inches Polyurethane
Cooling System
Direct Cooling
Refrigerant
R134A
Warranty
2 years
Know before you buy
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