1. Introduction
The Nuby RapidCool Portable Baby Bottle Maker is designed to simplify the preparation of baby formula, ensuring it reaches the correct temperature quickly and safely. This device allows for convenient formula preparation at home or while traveling, adhering to World Health Organization (WHO) guidelines for safe formula feeding.
Key features include rapid cooling technology, an integrated digital thermometer in the lid, and measurement markers for accurate liquid and formula dispensing. The RapidCool is easy to clean and does not require replacement filters.

Image 1.1: The Nuby RapidCool Portable Baby Bottle Maker and its accompanying formula dispenser.
2. Safety Information
Please read all instructions carefully before using the Nuby RapidCool. Failure to follow these instructions may result in injury or damage to the product.
- This product is intended for adult use only. Keep out of reach of children.
- Always inspect the product before each use. Discard and replace at the first sign of damage or weakness.
- When preparing formula, always follow the formula manufacturer's directions regarding water temperature and mixing ratios.
- Always stir the prepared formula to ensure even heat distribution and test the temperature before feeding your baby.
- Do not use abrasive cleaners or scourers, as these can damage the product.
- Ensure the lid is securely fastened during use to prevent leaks.
3. Product Components
The Nuby RapidCool Portable Baby Bottle Maker includes the following components:
- RapidCool Container: The insulated stainless steel vessel for cooling water.
- Digital Lid: Features an integrated thermometer and temperature display.
- Formula Dispenser: A separate container for pre-measuring formula powder.
4. Getting Started (Initial Setup)
Before first use, and after each subsequent use, ensure all components are thoroughly cleaned.
4.1 Initial Cleaning
- Disassemble all parts: the RapidCool container, digital lid, and formula dispenser.
- Wash all components in warm, soapy water. Use a bottle brush for the interior of the container.
- Rinse thoroughly with clean water.
- Allow all parts to air dry completely before reassembly or storage. The RapidCool container is dishwasher safe.
4.2 Understanding the Digital Lid
The digital lid contains a thermometer that displays the water temperature. The display changes color to indicate when the temperature is suitable for feeding.

Image 4.1: The digital lid with integrated thermometer for temperature indication.
5. Operating Instructions
Follow these steps to prepare your baby's formula using the Nuby RapidCool:
- Prepare Water: Boil fresh tap water and allow it to cool for no more than 30 minutes. This ensures the water is hot enough to kill any bacteria in the formula powder, as recommended by WHO guidelines.
- Add Boiling Water: Carefully pour the hot water into the RapidCool container up to the desired measurement mark. The internal graduations indicate both ounces and milliliters.

Image 5.1: Visual guide for preparing formula using the RapidCool.
- Add Formula: Using the provided formula dispenser, add the correct amount of formula powder according to your formula manufacturer's instructions.
- Secure Lid and Shake: Place the digital lid securely onto the RapidCool container. Shake the container vigorously for approximately 5 seconds to mix the formula thoroughly.
- Cool Down: The RapidCool will begin to cool the water rapidly. The digital display on the lid will show the current temperature. Wait until the display indicates the desired feeding temperature (typically around 37°C / 98.6°F, or as recommended by your formula brand). This usually takes 2-5 minutes.
- Pour and Serve: Once the correct temperature is reached, pour the prepared formula into a clean baby bottle. Always double-check the temperature by shaking a few drops onto your wrist before feeding your baby.

Image 5.2: Internal measurement markings for accurate liquid volume.
6. Maintenance and Cleaning
Proper cleaning and maintenance ensure the longevity and hygiene of your RapidCool.
6.1 Daily Cleaning
- After each use, disassemble the RapidCool container, digital lid, and formula dispenser.
- Wash all parts thoroughly in warm, soapy water. Use a soft brush or sponge to clean the interior of the container and lid components.
- Rinse all parts under running water to remove any soap residue.
- Allow all components to air dry completely before reassembling or storing.
6.2 Dishwasher Safety
The RapidCool container is dishwasher safe. However, for best results and to prolong the life of the digital lid, it is recommended to hand wash the lid.
- Place the RapidCool container on the top rack of your dishwasher.
- Hand wash the digital lid and formula dispenser with warm, soapy water.
7. Troubleshooting
If you encounter any issues with your Nuby RapidCool, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Water not cooling quickly enough | Insufficient initial water temperature; RapidCool not at room temperature. | Ensure water is boiling hot when added. Allow RapidCool to return to room temperature between uses for optimal cooling performance. |
| Digital display not working | Lid not properly secured; battery issue. | Ensure the lid is tightly screwed on. If the issue persists, contact customer support. |
| Leaking from the lid | Lid not properly secured; seal damaged or missing. | Ensure the lid is screwed on tightly and correctly aligned. Check the silicone seal for any damage or if it's properly seated. |
| Difficulty cleaning interior | Inadequate cleaning tools. | Use a long-handled bottle brush to reach the bottom and sides of the container. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | 1545 |
| Product Dimensions | 8.74 x 2.6 x 2.6 inches (22.2 x 6.6 x 6.6 cm) |
| Item Weight | 1.39 pounds (630 grams) |
| Material Type | 100% Stainless Steel |
| Capacity | 240 Milliliters |
| Dishwasher Safe | Yes (Container only) |
| Batteries | 1 Lithium Ion battery (included, for digital lid) |

Image 8.1: Product dimensions of the RapidCool.
9. Customer Support
For further assistance, product inquiries, or warranty information, please contact Nuby customer support through their official website or the retailer where the product was purchased.
Visit the Nuby Store: Nuby Official Store





