1. Safety Instructions
- Read all instructions carefully before use.
- Do not immerse the heating base of the lunch box in water or any other liquid. The heating base is not washable.
- Ensure the power cords are securely connected to prevent short circuits.
- Always open the steam vent on the lid before heating to allow steam to escape and prevent pressure buildup.
- Do not store the outer shell of the heating lunch box in the refrigerator, as this may cause product malfunction and pose a risk of short circuit.
- Keep out of reach of children.
- Do not use the appliance if the power cord or plug is damaged.
- Avoid turning the meal prep lunch box upside down, especially with liquid contents, as soup may flow out from the steam outlet.
- Unplug the lunch box when not in use and before cleaning.
2. Package Contents
Your AsFrost Electric Lunch Box package includes the following items:
- 1 x AsFrost Electric Lunch Box (Main Unit)
- 1 x 1.5L Food-Grade 304 Stainless Steel Container (removable)
- 1 x 0.45L Plastic Box for cold food (e.g., fruit, salad)
- 1 x 110V Home/Office Power Cable
- 1 x 12V/24V Car/Truck Power Cable
- 1 x Set of Stainless Steel Utensils (fork, spoon, knife)
- 1 x User Manual

3. Product Overview
The AsFrost Electric Lunch Box is designed to provide warm meals on the go, featuring a versatile 3-in-1 power design and durable, food-grade materials.
- 80W Fast Heating: Utilizes PTC constant temperature heating for quick and efficient warming, typically 15-30 minutes.
- 3-in-1 Power Design: Supports 110V for home/office use and 12V/24V for car/truck use.
- Airtight & Leak-proof: Features four secure snaps and a built-in rubber seal to prevent spills.
- Large Capacity: Includes a 1.5L 304 stainless steel container and a separate 0.45L plastic box.
- Durable Materials: Made from food-grade stainless steel and PP material, heat-resistant, rustproof, and non-toxic.
- Portable Design: Equipped with a portable handle and a hidden power socket for convenience and aesthetics.




4. Setup
- Unpack: Carefully remove all components from the packaging.
- Initial Cleaning: Before first use, wash the stainless steel container, plastic box, and utensils with warm soapy water. Rinse thoroughly and dry.
Note: The main heating base is NOT waterproof and should NOT be washed with water. Clean its exterior with a damp cloth. - Assemble: Place the clean stainless steel container inside the main heating unit. If desired, place the plastic box inside the stainless steel container for separate food items.
- Prepare Food: Place your desired food into the stainless steel container. If heating food that benefits from steam (e.g., rice, vegetables), you may add a small splash of water to the bottom of the main heating unit (below the stainless steel container) to generate steam.
- Secure Lid: Close the lid and ensure all four snaps are securely fastened to maintain an airtight seal.
5. Operating Instructions
5.1. Heating Food
- Add Food: Place your food into the 1.5L stainless steel container. If desired, add a small amount of water to the bottom of the main heating unit (below the stainless steel container) for steaming.
- Close Lid: Securely close the lid with all four snaps.
- Open Steam Vent: Crucially, open the steam vent on the lid before plugging in the device. This prevents pressure buildup during heating.
- Connect Power:
- For Home/Office (110V): Use the provided 110V power cable. Plug one end into the hidden socket on the lunch box and the other into a standard wall outlet.
- For Car/Truck (12V/24V): Use the provided 12V/24V car power cable. Plug one end into the hidden socket on the lunch box and the other into your vehicle's cigarette lighter socket.
- Start Heating: Once plugged in, the indicator light on the front of the lunch box will illuminate, indicating that heating has begun.
- Heating Time: Allow 15-30 minutes for heating. For colder food or in colder environments (e.g., winter), heating may take 30-40 minutes. Adjust heating time based on food quantity and desired temperature.
- Enjoy: Once heated, unplug the device, close the steam vent, and carefully open the lid to enjoy your warm meal.

5.2. Video Demonstrations
How to Use the AsFrost Electric Lunch Box
This video demonstrates the basic operation of the AsFrost Electric Lunch Box, including how to prepare food, plug it in, and heat it for both car and home use. It highlights the convenience of having warm food anywhere.
Unboxing and Features Overview
This video provides an unboxing experience and a detailed look at the various features and components of the AsFrost Electric Lunch Box, including the different power cords and internal containers.
6. Cleaning and Maintenance
- Stainless Steel Container: The 1.5L 304 stainless steel container is removable and dishwasher-safe for easy cleaning.
- Plastic Box & Utensils: The 0.45L plastic box and stainless steel utensils are also dishwasher-safe.
- Main Heating Unit: The main heating base is NOT waterproof. To clean, wipe the exterior with a damp cloth and mild detergent. Ensure it is completely dry before storage or next use. Do NOT rinse or immerse the heating base in water.
- Steam Vent: Periodically clean the steam vent to ensure proper function and prevent blockages.
- Storage: Store the lunch box in a dry place when not in use.

7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lunch box not heating. | Not plugged in correctly; power outlet malfunction; damaged cable. | Ensure cables are securely plugged into both the lunch box and the power source. Test the outlet with another device. Inspect cables for damage. |
| Food not heating sufficiently. | Insufficient heating time; food too cold/frozen; large food quantity; cold environment. | Increase heating time (especially for frozen food or in winter). Ensure the lid is sealed and steam vent is open. |
| Steam/liquid leaking from lid. | Lid not properly sealed; steam vent closed during heating; lunch box tipped. | Ensure all four snaps are securely fastened. Always open the steam vent before heating. Keep the lunch box upright. |
| Power cable gets hot or melts. | Faulty cable; improper use. | Immediately discontinue use. Contact customer support for a replacement cable. Ensure proper voltage is used (e.g., 12V/24V for car, 110V for home). |
8. Specifications
- Model Number: DFH-002
- Color: Gray
- Material: 304 Stainless Steel, Food-Grade PP
- Power: 80W
- Voltage: 110V (Home/Office), 12V/24V (Car/Truck)
- Capacity: 1.5 Liters (Stainless Steel Container) + 0.45 Liters (Plastic Box)
- Product Dimensions: 9.37"L x 6.69"W x 4.25"H
- Item Weight: 1.85 Pounds
- Special Features: Airtight, Dishwasher Safe (containers only), Heat Resistant, Leak Resistant, Lightweight
9. Warranty and Support
AsFrost is committed to providing high-quality products. For any questions, concerns, or issues regarding your electric lunch box, please contact our customer support team. If the product is damaged during transportation or if you encounter any other problems, please reach out to us for assistance or a replacement.
Please refer to your purchase documentation or the official AsFrost website for specific warranty details and contact information.





