1. Product Overview
The Comfyer BW02 Portable Bottle Warmer is designed for convenient and safe heating of breast milk, formula, or water for your baby, whether at home or on the go. Featuring a large 500ml capacity, a powerful 16000mAh rechargeable battery, and an integrated sterilization function, this device ensures your baby's meals are always at the perfect temperature and hygienically prepared.
Main view of the Comfyer BW02 Portable Bottle Warmer, showcasing its compact and modern design.
This image shows the Comfyer BW02 Portable Bottle Warmer being used by a family at a picnic, illustrating its 500ml large capacity and 16000mAh battery, capable of heating 150ml of water/milk to 40°C up to 16 times.
2. Package Contents
Please check the package for the following items:
- Comfyer BW02 Portable Bottle Warmer (x1)
- USB Charging Cable (x1)
- User Manual (x1)
This image shows the Comfyer BW02 Portable Bottle Warmer, its packaging, a USB charging cable, and the user manual, indicating what is included in the box.
3. Setup and Charging
3.1 Product Components and Controls
Familiarize yourself with the device's buttons and display for optimal use.
A detailed diagram of the Comfyer BW02 Portable Bottle Warmer highlighting its control buttons: Self-Sterilization, Milk Heating, Water Heating, Power On/Off, along with indicators for Battery Level and Real-time Temperature.
3.2 Charging the Device
Before first use, fully charge the bottle warmer. Use the provided USB Type-C cable and a compatible power adapter (not included). The device supports fast charging (45W) and can be charged via USB, car charger, or power bank.
- Connect the Type-C cable to the charging port on the device.
- Connect the other end to a power source.
- The battery level indicator on the display will show charging progress.
- A full charge takes approximately 2 hours with a 45W charger.
- Note: The device cannot be used while charging.
This image illustrates the Type-C charging port of the Comfyer BW02, along with its flip-top lid for one-hand use, integrated handle for easy carrying, and the food-grade SUS 316 stainless steel interior.
4. Operating Instructions
4.1 Power On/Off
- To power on, press and hold the Power On/Off button until the display illuminates.
- To power off, press and hold the Power On/Off button until the display turns off.
4.2 Filling the Bottle Warmer
The internal container has integrated measurement markings (in ml and oz) to help you accurately measure liquids. Ensure the liquid level does not exceed the maximum fill line.
4.3 Heating Modes (Milk & Water)
The Comfyer BW02 offers two dedicated heating modes for optimal results:
- Milk Heating Mode: Ideal for breast milk or formula. Press the 'Milk Heating' button. You can select from 5 precise temperature settings: 37°C (98°F), 40°C (104°F), 45°C (113°F), 50°C (122°F), 55°C (131°F). The device will rapidly heat the milk to the selected temperature.
- Water Heating Mode: Suitable for heating water for formula preparation or other liquids. Press the 'Water Heating' button. You can select from the same 5 precise temperature settings.
- The device features smart memory, automatically recalling the last used temperature setting.
- Rapid Heating: Heats 120ml of water to 40°C in approximately 2.5 minutes.
- Automatic Shut-off: To conserve energy, the device will maintain the set temperature for 20 minutes after reaching it, then automatically turn off.
The image displays the Comfyer BW02 in two modes, one heating water and the other milk, with a graph showing rapid heating times to 40°C for both liquids. It also notes the 20-minute temperature hold feature.
4.4 Integrated Sterilization Mode
The Comfyer BW02 includes an integrated sterilization function to ensure the internal container is hygienically clean before use.
- Press the 'Self-Sterilization' button.
- The device will heat the internal stainless steel container to 75°C (167°F) and maintain this temperature for 60 seconds.
- This process effectively eliminates germs, providing a clean environment for your baby's milk or water.
This graphic explains the integrated sterilization process of the Comfyer BW02, which heats the internal container to 75°C for 60 seconds to eliminate germs and ensure hygienic conditions for baby's milk or water.
4.5 Portability Features
Designed for active parents, the BW02 is built for travel and outdoor use.
- Leak-Proof Design: The secure lid and 360° rotation capability prevent leaks, making it safe to carry in a diaper bag.
- Integrated Handle: For easy carrying and attachment to strollers or bags.
- Durable Materials: Constructed with food-grade SUS 316 stainless steel and BPA-free components for maximum safety.
A collage showing the Comfyer BW02 being used in different portable settings: attached to a stroller, carried in a backpack, used in a car, and during a picnic, highlighting its versatility for travel.
5. Maintenance
5.1 Cleaning Instructions
Regular cleaning ensures hygiene and extends the product's lifespan. Always ensure the device is powered off and unplugged before cleaning.
- Open the lid and carefully remove the silicone sealing ring.
- Add water and a mild detergent to the internal stainless steel container. Use a soft brush to clean the interior thoroughly.
- Clean the silicone parts (sealing ring, lid components) separately with water and mild detergent.
- Rinse all parts thoroughly with clean water.
- Allow all components to air dry completely before reassembling.
- Note: The main unit should not be submerged in water. Wipe the exterior with a damp cloth.
A three-step visual guide demonstrating how to clean the Comfyer BW02: 1. Open the lid and remove the silicone ring. 2. Add water and detergent, then brush. 3. Clean the silicone parts separately.
5.2 Material Safety
The internal container is made from high-quality medical-grade SUS 316 stainless steel, which is rust-resistant, food-contact safe, and free from plastic and odors. The exterior is made of SUS 304 stainless steel. All materials are BPA-free.
Close-up view of the Comfyer BW02's interior, highlighting the SUS 316 stainless steel construction for safety and durability.
6. Troubleshooting
If you encounter any issues, please refer to the following common problems and solutions:
| Problem/Error Code | Description | Solution |
|---|---|---|
| E3 | Dry-burn protection activated. | The device has detected insufficient liquid or no liquid in the container. Add liquid to the container. If the error persists, contact customer support. |
| Device not heating | No heat is being generated. | Check if the device is charged. Ensure the correct heating mode is selected and activated. If the issue persists, contact customer support. |
| Inaccurate temperature reading | The displayed temperature does not seem correct. | Ensure the device is clean and there are no obstructions to the temperature sensor. If the problem continues, contact customer support. |
7. Specifications
| Feature | Detail |
|---|---|
| Model | BW02 |
| Capacity | 500 ml |
| Battery Capacity | 16000 mAh |
| Heating Power | 120W |
| Heating Time (120ml cold milk to 40°C) | Approx. 2 minutes 40 seconds |
| Temperature Settings | 37°C, 40°C, 45°C, 50°C, 55°C |
| Sterilization Temperature | 75°C for 60 seconds |
| Material | Food-grade SUS 316 Stainless Steel (interior), SUS 304 (exterior), BPA-free |
| Charging Port | USB Type-C |
| Item Weight | 970 g |
| Package Dimensions | 25.5 x 12.1 x 11.9 cm |
| Care Instructions | Hand wash |
A comparison table highlighting the advantages and specifications of the Comfyer BW02, including integrated sterilization, 500ml capacity, and rapid heating.
8. Warranty and Support
8.1 Warranty Information
Comfyer products are manufactured to high-quality standards and are covered by a limited warranty against manufacturing defects. Please refer to the warranty card included in your package or visit the official Comfyer website for detailed warranty terms and conditions.
8.2 Customer Support
For any questions, technical assistance, or warranty claims, please contact Comfyer customer support. Contact details can typically be found on the product packaging, the official Comfyer website, or through your retailer's support channels.
