600ml USB Electric Lunch Box – Portable Stainless Steel Warmer

Keep your meals hot and ready wherever you go with this 600ml USB Electric Heating Lunch Box. Built with a food-grade 304 stainless steel inner liner and a leak-proof design, this portable food warmer is perfect for the office, commutes, road trips, camping, and picnics. Simply plug it into any USB port (5V), car adapter (12V), or truck power outlet (24V) and enjoy a warm, home-cooked meal anytime.

Made in Mainland China.

Why You'll Love It

• Food-Safe 304 Stainless Steel – The inner liner is made from premium food-grade 304 stainless steel, ensuring your food stays safe, flavour-fresh, and free from harmful chemicals.
• Universal USB Power – Compatible with 5V (USB), 12V (car), and 24V (truck) power sources — heat your food at home, in the car, or on the road.
• Constant Temperature Insulation – Maintains food at a comfortable 60°C (140°F) for extended periods, so your meal is always ready when you are.
• Leak-Proof Design – Secure lid seal prevents spills in your bag, making it ideal for soups, stews, milk, and beverages.
• Compact & Portable – At just 15cm × 9.7cm and 600ml capacity, it's the perfect size for a hearty single-serve meal without taking up too much space.
• Energy Efficient – Only 10W of power keeps running costs minimal while maintaining warmth throughout your day.

Product Specifications

• Capacity: 600ml
• Power: 10W
• Voltage: 5V / 12V / 24V
• Plug Type: USB
• Material: Food-Grade 304 Stainless Steel
• Size: 15cm × 9.7cm
• Shape: Round
• Colours Available: White, Yellow
• Heating Time: 30–60 minutes (varies by food type)
• Leak-Proof: Yes

Important Notice

⚠️ This is a long-term insulation warmer, not a rapid heater. For best results, place already-hot food into the container before connecting the USB cable. The USB power (10W) is designed to maintain warmth at 60°C over an extended period — it is not intended to quickly heat cold food from scratch.

How to Use

1. Fill the stainless steel container with hot food or beverages.
2. Secure the leak-proof lid tightly.
3. Connect the USB cable to a compatible power source (5V USB port, 12V car adapter, or 24V truck outlet).
4. Enjoy warm meals throughout the day!

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For more information on food safety and safe food temperature guidelines, visit the FDA's Safe Food Handling Guide.

Frequently Asked Questions

Q: Can this USB electric lunch box heat food from cold?

A: This lunch box is designed as a long-term insulation warmer, not a rapid heater. It is best used by placing already-hot food inside and then connecting the USB cable to maintain that warmth at around 60°C. It is not designed to rapidly heat cold or frozen food from scratch.

Q: What power sources are compatible with this food warmer?

A: This electric lunch box is compatible with 5V USB (laptop, power bank, wall adapter), 12V car power (standard car cigarette lighter adapter), and 24V truck power outlets, making it incredibly versatile for use at home, in the office, or on the road.

Q: Is the stainless steel inner liner safe for food contact?

A: Yes. The inner liner is made from food-grade 304 stainless steel, which is widely recognised as safe for food and beverage contact. It is free from harmful chemicals and easy to clean.

Q: How long does it take to heat food?

A: Heating time varies depending on the type and quantity of food. Generally, it takes between 30 to 60 minutes to warm food to a safe serving temperature when starting with already-warm food. For best results, use the warmer to maintain the temperature of food that has already been cooked hot.

Q: Is the lunch box leak-proof?

A: Yes! The lid features a leak-proof seal, making it safe to carry soups, stews, milk, and other liquids without worrying about spills in your bag.