Koolboks Maxi 538L Solar-Powered Freezer – Powerful, Efficient, and Off-Grid Ready

The Koolboks Maxi 538L Solar-Powered Freezer is the ultimate refrigeration solution for businesses, homes, and off-grid environments that require reliable, energy-efficient cooling. Built to function seamlessly with solar power, this freezer ensures continuous operation even in areas with unstable or no electricity.

To guarantee uninterrupted cooling, the unit is equipped with a 100Ah Lithium Battery DC and three 350W solar panels, providing dependable backup power during outages. The battery charges efficiently through grid or solar energy, ensuring your stored items remain frozen and fresh at all times. This makes it a perfect fit for regions where power supply is unreliable, offering both convenience and peace of mind.

With its spacious 538-litre capacity, the Koolboks Maxi Freezer provides ample room for storing large quantities of perishable goods, frozen foods, and beverages. Its advanced insulation and energy-saving design enable excellent cold retention, while its cutting-edge battery storage technology ensures up to 100 hours of frost retention, keeping your products fresh even after power interruption.

Whether used in restaurants, supermarkets, hospitals, pharmacies, or homes, this solar-powered deep freezer combines superior performance, durability, and cost-effectiveness — making it an eco-friendly alternative to traditional freezers.

FEATURES

• Large 538L Capacity – Perfect for bulk storage of food, drinks, and perishables.

• 100Ah Lithium Battery – Provides strong, long-lasting backup power during outages.

• 3 x 350W Solar Panels – Harness renewable energy to power the freezer efficiently.

• High Freezing Speed – Rapidly cools contents to preserve freshness.

• 100 Hours Frost Retention – Maintains cooling for up to 4 days without power.

• Dual Power Compatibility – Works with both solar energy and grid power for flexibility.

• Stabilizer-Free Operation – Runs smoothly without the need for a voltage stabilizer.

• Superior Temperature Control – Maintains steady cooling for optimal performance.

• Durable & Robust Build – Designed for long-term, heavy-duty use.

• Eco-Friendly & Cost-Effective – Reduces energy costs and carbon footprint.

• LED Interior Lighting – Bright illumination for easy access at night.

• Lock & Key Mechanism – Provides added security for stored items.

• Low Noise Operation – Ensures quiet, smooth performance.

• 3-Year Warranty – Guaranteed reliability and after-sales support.

SPECIFICATIONS

• Brand: Koolboks

• Model: Maxi 538L Solar-Powered Freezer

• Capacity: 538 Litres

• Power Source: Solar Energy / DC Power / Grid Power

• Battery: 100Ah Lithium DC Battery

• Solar Panels: 3 x 350W

• Cooling Technology: Deep Freezing / Fast Cooling

• Temperature Control: Adjustable Thermostat

• Insulation: 75mm High-Density Foam

• Lighting: LED Interior Light

• Security: Lock & Key System

• Operation: Stabilizer-Free

• Noise Level: Low Noise

• Suitable For: Homes, Businesses, Supermarkets, Restaurants, Hospitals, and Off-Grid Locations

• Warranty: 3 Years