Introduction
The Eseesmart Cordless Electric Lunch Box is a portable and rechargeable food warmer designed to provide warm meals on the go. With its large battery capacity and smart heating functions, it is ideal for various settings including office, school, car, and outdoor activities. This manual will guide you through the proper use and care of your new lunch box.

Image: The Eseesmart Cordless Electric Lunch Box, showcasing its compact design, the removable stainless steel container with food, and the USB-C charging cable.
Included Components
Please check the packaging to ensure all components are present:
- 1 x Electric Lunch Box unit
- 1 x 304 Stainless Steel Container (800ml capacity)
- 1 x PP Plastic Container
- 1 x Type-C Power Cord
- 1 x User Manual (this document)
Setup
- Initial Charge: Before first use, fully charge the lunch box using the provided Type-C power cord. The 14,000mAh battery provides long-lasting power.
- Clean Components: Wash the 304 stainless steel container and PP plastic container thoroughly with warm, soapy water before placing food inside. Ensure they are completely dry.
- Assemble: Place the clean stainless steel container into the main lunch box unit.

Image: The internal battery structure and USB-C charging port of the Eseesmart lunch box, highlighting its 14,000mAh rechargeable battery.
Operating Instructions
The Eseesmart lunch box features two main modes: Heating and Insulation.
Basic Operation:
- Prepare Food: Place your cooked meal into the 304 stainless steel container. Ensure the lid is properly sealed to prevent leaks.
- Insert Container: Place the filled and sealed container into the main lunch box unit. Close the outer lid securely using the side buckles.
- Select Mode: Use the control panel on the front of the lunch box to select your desired mode (Heating or Insulation) and time setting.

Image: A visual guide demonstrating the three easy steps to use the lunch box: packing cooked meals, setting the working mode, and heating on schedule.
Heating Mode:
This mode is used to heat cold or room-temperature food. The smart timing feature allows you to preset the heating duration.
- Available heating durations range from 20 to 80 minutes.
- Press the 'Heat' button to cycle through the available times.
- The display will show the selected time. The unit will automatically begin heating.

Image: The heating mode interface, illustrating the various time settings available for warming your food.
Insulation Mode:
This mode is designed to keep already warm food at an optimal temperature for extended periods.
- Available insulation durations range from 40 to 55 minutes, or an untimed option for continuous insulation.
- Press the 'Warm' button to cycle through the available times.
- The display will show the selected time. The unit will maintain the food's temperature.

Image: The insulation mode interface, showing the different time settings for keeping food warm.
Maintenance and Cleaning
Proper maintenance ensures the longevity and hygiene of your Eseesmart lunch box.
- Detachable Inner Pot: The 304 stainless steel container is detachable for easy cleaning.
- Dishwasher Safe: The stainless steel container is dishwasher safe (top rack only).
- Hand Wash: The PP plastic container and the main electric unit should be hand washed. Do not immerse the main unit in water.
- Wipe Clean: Use a damp cloth to wipe the exterior of the main unit.
- Drying: Ensure all parts are completely dry before reassembling or storing.

Image: Demonstrates the ease of cleaning, showing the removable stainless steel container being washed by hand and being placed in a dishwasher (top rack).
Troubleshooting
If you encounter any issues with your Eseesmart Cordless Electric Lunch Box, please refer to the following common solutions:
- Lunch Box Not Heating/Warming:
- Ensure the lunch box is fully charged. Check the battery level indicator on the display.
- Verify that the selected mode (Heating/Insulation) and time are correctly set.
- Confirm that the inner container is properly seated and the lid is securely closed.
- Food Not Heating Evenly:
- Stir food halfway through the heating cycle if possible.
- Ensure food is spread evenly in the container.
- For very cold or dense food, a longer heating time may be required.
- Leakage:
- Check that the silicone seal on the inner container's lid is properly in place and free from debris.
- Ensure both the inner container lid and the outer lunch box lid are securely fastened.
- Avoid overfilling the container.
- Display Not Working:
- Recharge the device.
- If the issue persists, contact customer support.
For issues not covered here, please refer to the Warranty & Support section.
Specifications
| Feature | Detail |
|---|---|
| Brand | Eseesmart |
| Model | B0FF8YSVFD |
| Color | Beige |
| Material | Polypropylene, 304 Stainless Steel |
| Capacity | 800 Milliliters (27oz) |
| Battery | 14,000mAh Lithium Ion (included) |
| Heating Modes | Heating (20-80 min), Insulation (40-55 min, Untimed) |
| Continuous Heating Time | Up to 2.5 hours |
| Insulation Time | Up to 8 hours |
| Charging Port | USB-C |
| Product Dimensions | 6.4"L x 5.9"W x 4.7"H |
| Item Weight | 2.03 pounds |
| Safety Features | Smart temperature control, Overheat protection, Leak-resistant silicone seal |
| Certifications | CPC-Certified |
Warranty & Support
Eseesmart stands behind the quality of its products. Your Cordless Electric Lunch Box comes with a 1-Year Free Replacement Promise.
For any product inquiries, technical support, or warranty claims, please contact Eseesmart customer service through the retailer where you purchased the product or visit the official Eseesmart store on Amazon: Eseesmart Amazon Store.

Image: A certificate indicating the product's adherence to quality and safety standards.
