Nuliie WX-2024
Nuliie Portable Milk Warmer (Model: WX-2024)
User Instruction Manual
1. Product Overview
The Nuliie Portable Milk Warmer (Model WX-2024) is designed for convenient on-the-go feeding, offering a larger capacity and super-fast charging. It ensures safe and leak-proof operation with dry-burn-proof and fireproof features, making it ideal for travel and daily use.
- Effortless On-the-Go Feeding: Holds 500ml, fitting standard bottles. Compact design for easy storage and travel.
- Fast Heating and Warming: Heats 5 oz of water to 104°F in 2:45 minutes, and 5 oz of milk to 99°F in 1:55 minutes.
- Precise Temperature Control: Features an easy-to-use LED display for setting desired temperatures in Fahrenheit, preserving essential nutrients.
- Long Battery Life: Charges 80% in as little as 1 hour. A single charge can heat 5 oz of water up to 9 times or 5 oz of milk up to 12 times.
- Leak-Proof and Baby-Safe Design: Equipped with a secure, leak-proof lid and a child safety lock to prevent spills and misuse.
- Pure & Safe Material: Crafted with high-quality, food-grade 316 stainless steel, ensuring no lingering odors and maintaining milk freshness.
2. Product Components
Familiarize yourself with the main parts of your Nuliie Portable Milk Warmer:
- Main Unit: The primary body of the warmer containing the heating element and battery.
- Lid Assembly: Includes a safety button and a sliding lock mechanism for secure closure and pouring.
- Control Panel: Located at the base, featuring a Power Button, Decrease Temperature button (-), Increase Temperature button (+), and an LED display.
- Charging Port: A Type-C port for charging the device.
- Internal Heating Chamber: Made of 316 stainless steel for safe and efficient heating.

Image: The Nuliie Portable Milk Warmer, showing its sleek design and compact form factor.
3. Setup and Initial Use
3.1 Initial Charging
Before first use, fully charge the milk warmer. The device can be charged 80% in as little as 1 hour using the dedicated charging cable and a 35W charger (included).
- Connect the Type-C charging cable to the charging port on the warmer.
- Plug the other end into a compatible power source (power bank, car charger, or wall outlet).
- The LED display will indicate charging status.

Image: Close-up of the Nuliie Portable Milk Warmer showing the Type-C charging port and cable connected.
3.2 First Use Cleaning
For hygiene, clean the internal heating chamber before its first use.
- Open the lid and rinse the stainless steel interior with warm water and mild soap.
- Use a soft brush or sponge to ensure thorough cleaning.
- Rinse thoroughly with clean water and allow to air dry.
4. Operating Instructions
4.1 Power On/Off and Temperature Control
- Power On/Off: Long press the Power Button (center button on the control panel) to turn the device on or off.
- Adjust Temperature: Use the Decrease Temperature (-) and Increase Temperature (+) buttons to set your desired temperature. The adjustable heating temperature range is 99°F - 131°F.
- Screen Lock: The auto screen lock prevents accidental touches. Double tap the Power Button to unlock the screen.
- Temperature Memory Function: The device remembers your last set temperature.

Image: The Nuliie Portable Milk Warmer's LED display showing temperature settings and control buttons.
4.2 Warming Milk or Water
- Open the lid and pour the desired amount of milk or water into the stainless steel chamber. The warmer has a capacity of up to 500ml.
- Securely close the lid. Ensure the sliding lock is engaged to prevent accidental opening.
- Turn on the device and set your desired temperature using the +/- buttons.
- The warmer will begin heating. The LED display will show the current temperature as it rises.
- Once the target temperature is reached, the warmer will maintain it.

Image: A hand pouring liquid from the Nuliie Portable Milk Warmer into a baby bottle, demonstrating its pouring mechanism.
4.3 Pasteurization Function
To activate the pasteurization function (149°F), press the Decrease Temperature (-) and Increase Temperature (+) buttons simultaneously.
4.4 Pouring Milk
To pour milk without fully opening the lid, press the dedicated button on the lid assembly. This allows for controlled dispensing.
Video: Demonstrates the Nuliie Portable Milk Warmer's features, including button functions, temperature control, warming milk/water, cleaning, charging, and portability. It highlights the safety button, sliding lock, and precise temperature adjustments.
5. Maintenance and Cleaning
Regular cleaning ensures optimal performance and hygiene of your milk warmer.
- After each use, rinse the internal stainless steel chamber.
- For thorough cleaning, use warm water and a mild, baby-safe dish soap.
- A bottle brush can be used to reach all internal surfaces.
- Rinse thoroughly to remove all soap residue.
- Wipe the exterior with a damp cloth. Do not immerse the main unit in water.
- Ensure the charging port cover is securely closed during cleaning to prevent water ingress.
- Allow all parts to air dry completely before reassembling or storing.

Image: Illustrates the Nuliie Portable Milk Warmer's internal 316 stainless steel material, smart lock, and leak-proof safety features.
6. Troubleshooting
If you encounter any issues with your Nuliie Portable Milk Warmer, please refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Low battery or not charged. | Ensure the device is fully charged. Long press the power button to turn on. |
| Liquid not heating. | Incorrect temperature setting or insufficient liquid. | Check the temperature setting on the LED display. Ensure there is enough liquid to cover the heating element. |
| Leakage from the lid. | Lid not properly secured or sliding lock disengaged. | Ensure the lid is tightly closed and the sliding lock is in the locked position. Check the silicone seal for proper placement. |
| Display not responding. | Screen is locked. | Double tap the Power Button to unlock the screen. |
7. Specifications
| Feature | Detail |
|---|---|
| Model | WX-2024 |
| Capacity | Up to 500ml (17 oz) |
| Package Dimensions | 12.2 x 5.28 x 5.16 inches |
| Batteries | 2 Lithium Polymer batteries (included) |
| Material Composition | 316 Stainless Steel |
| Additional Features | Outdoor, Portable, Super Fast Charging, Travel |
| Item Weight | 2.18 pounds |
| ASIN | B0DR7WNGDK |
8. Warranty and Support
Nuliie products are manufactured with the highest quality standards. For warranty information, technical support, or customer service inquiries, please refer to the contact details provided with your product packaging or visit the official Nuliie website.
You can also visit the Nuliie Store on Amazon: Nuliie Official Store
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