When space is limited but comfort is non-negotiable, the Colku DC-40 built-in refrigerator becomes the perfect upgrade for your RV, camper van, boat, or customized tiny home. Engineered for seamless integration, this 36-liter dual-zone fridge maximizes storage while keeping your interior sleek, functional, and beautifully aligned with your personal style.

Whether you're crossing deserts, navigating mountain roads, or anchoring offshore, the DC-40 delivers consistent cooling performance with intelligent power management — giving you fresh food and ice-cold drinks wherever your journey takes you.

🌍 Why the DC-40 Changes the Game for Mobile Refrigeration

1. Built-In Design — More Space, Zero Clutter

No protruding edges. No wasted corners.
The DC-40 slides neatly into cabinets, van layouts, and RV kitchen modules — creating a clean, modern interior aesthetic while maximizing every centimeter of your living space.

❄️ 2. Dual-Zone System (4L Freezer + 32L Fridge)

Not just a fridge — a complete food-management solution.
Freeze meats or ice packs in the 4L freezer, while keeping produce, drinks, and snacks chilled in the 32L fridge compartment.
One unit, two temperatures, total control.

🔋 3. True 12V/24V DC Auto Switching

No adapters. No settings to change.
The refrigerator automatically detects and switches between 12V and 24V, making it compatible with:

• RV house batteries

• Van conversion electrical systems

• Marine DC power

• Solar setups

• Portable power stations

Low starting current ensures smooth, stable performance with minimal battery strain.

🔇 4. High-Performance Compressor — Low Power, Low Noise, High Reliability

The advanced compressor delivers:

• Fast cooling

• Low vibration

• Whisper-quiet operation

• Excellent temperature stability

Even when traveling over rough terrain or operating at an angle, the DC-40 stays stable and reliable.

🎛️ 5. Smart LED Display + High-Precision Control Board

Easily set temperatures, monitor performance, and maintain precise cooling with the intuitive digital panel.
Accuracy and efficiency work together to protect your food at all times.

🛡️ 6. Built for the Road — Vibration & Tilt Resistant

Designed for true mobile use, the fridge remains steady and efficient even when:

• The vehicle sways

• The boat rocks

• The camper travels on uneven roads

• The cabinet angle shifts

Reliability, no matter the journey.

🎨 7. More Choices for Your Interior Style

To match different vehicle designs, DC-40 offers:

Two colors:

• Elegant Black

• Modern Silver

Two material options:

• Pre-coated metal panel

• Premium 304 stainless steel

Plus, larger capacities are available across the same series for bigger buildouts.

Key Features at a Glance

① High-performance compressor with low power consumption
② Low starting current with 12V/24V automatic switching
③ LED display screen with high-precision temperature control
④ Stable performance under tilt and vibration
⑤ Available in metal or stainless steel construction
⑥ Dual-zone system: freezer + refrigerator
⑦ Adjustable compressor installation position