1. Introduction
Thank you for choosing the NCVI Portable Glass Bottle Warmer. This device is designed to provide warm milk or water for your baby conveniently, whether at home or on the go. Please read this manual thoroughly before use to ensure safe and optimal operation.

Image: The NCVI Portable Glass Bottle Warmer, showcasing its two main configurations: with the glass cup and with a bottle adapter.
Product Overview Video
Video: An overview of the NCVI Portable Bottle Warmer, demonstrating its use for baby travel and on-the-go scenarios.
2. Product Features
- Wireless and Portable: Designed for travel and convenience, allowing for milk warming anywhere without cords.
- 8 oz Sterilizable Glass Cup: Features a 240 ml glass cup for water heating, which can also be steam sterilized for hygiene.
- Universal Bottle Adapter: Includes four adapters (40/50/60/70mm) to fit various narrow and wide-mouth baby bottles from popular brands.
- Long-Lasting Battery: Heats 4 oz of water up to 14 times on a single charge, with USB charging options.
- Temperature Settings: Offers four temperature options: 98°F/37℃, 104°F/40℃, 113°F/45℃, and 122°F/50℃.
- Compact Design: Handheld size fits easily into diaper bags, car cup holders, or luggage.
- Leakproof Safety Lock: Equipped with a silicone seal to prevent leakage during transport.
Feature Highlights

Image: Demonstrates the warmer's ability to heat 4 oz of water in just 3 minutes, ready for formula feeding.

Image: Illustrates the various adapters (40mm, 50mm, 60mm, 70mm) included to fit different bottle brands like Medela, Dr. Brown's, Philips Avent, Tommee Tippee, Comotomo, Chicco, and Boon.

Image: Shows the stainless steel heating plate and a graph detailing the four precise temperature settings: 98°F/37℃, 104°F/40℃, 113°F/45℃, and 122°F/50℃.

Image: Highlights the leakproof safety lock feature with a silicone seal, preventing spills when carried in a bag.
3. What's in the Box
Upon opening your NCVI Portable Glass Bottle Warmer package, you should find the following components:
- 1 x Motor Unit
- 1 x Glass Bottle (8 oz / 240 ml)
- 4 x Bottle Adapters (40/50/60/70mm)
- 2 x Seal Rings
- 1 x USB Cable
- 1 x User Manual

Image: A visual representation of all items included in the product packaging, clearly labeled.
Unboxing Video
Video: An unboxing demonstration of the NCVI Portable Bottle Warmer, showing all included components.
4. Setup Instructions
- Charge the Device: Before first use, fully charge the bottle warmer using the provided USB cable. Connect the USB cable to the warmer and a compatible USB power source (e.g., power bank, car charger, wall adapter). The charging indicator lights will show the charging status.
- Assemble the Glass Cup: Ensure the glass cup is clean and properly seated on the motor unit.
- Choose an Adapter (if needed): If using your own baby bottle, select the appropriate adapter from the four sizes provided (40/50/60/70mm) to ensure a secure fit.
- Secure Seal Ring: Place a seal ring between the glass cup/adapter and the bottle to prevent leaks.

Image: Illustrates various charging methods for the portable bottle warmer, including power bank, car charger, and adapter charging.
5. Operating Instructions
- Fill with Water/Milk: Fill the glass cup with water or attach your baby bottle containing milk/formula using the appropriate adapter. Ensure the liquid level is within the recommended range.
- Power On: Press and hold the power button to turn on the device. The current temperature setting will be displayed.
- Select Temperature: Press the temperature selection button to cycle through the four available temperature settings: 98°F/37℃, 104°F/40℃, 113°F/45℃, and 122°F/50℃. Select the desired temperature.
- Start Warming: The device will automatically begin heating to the selected temperature. The display will show the current temperature as it rises.
- Scheduled Heating (Optional): The device may feature a scheduled heating function. Refer to the included user manual for specific instructions on setting a timer for delayed warming.
- Ready for Feeding: Once the target temperature is reached, the device will maintain it. Always test the temperature of the milk/water on your wrist before feeding your baby.
- Power Off: Press and hold the power button to turn off the device after use.
How to Use Video
Video: A step-by-step guide on how to use the NCVI Portable Glass Bottle Warmer.
6. Maintenance and Cleaning
Regular cleaning and maintenance are essential to ensure the longevity and hygiene of your bottle warmer.
- Remove Accessories: Disassemble the glass cup, lid, and any adapters from the motor unit.
- Clean Glass Bottle: The glass cup can be hand washed or placed in a dishwasher. Use a bottle brush for thorough cleaning.
- Clean Silicone Parts and Cover: Wash the silicone seal rings and the lid with warm soapy water.
- Steam Sterilization: The glass cup can be used for high-temperature steam sterilization to ensure complete disinfection.
- Wipe Motor Unit: The motor unit should be wiped clean with a damp cloth. Do not immerse the motor unit in water.

Image: Shows the first three steps of cleaning: removing accessories, brushing the glass bottle, and cleaning silicone parts and the cover.

Image: Demonstrates high-temperature steam disinfection for the glass cup and other sterilizable components.
7. Troubleshooting
- Device not turning on: Ensure the device is fully charged. Connect it to a power source using the USB cable and allow it to charge for some time.
- Milk not warming: Check if the device is powered on and the desired temperature is selected. Ensure there is sufficient liquid in the glass cup or bottle.
- Leaking: Verify that all components, including the glass cup, adapters, and seal rings, are correctly assembled and tightened. Ensure the leakproof safety lock on the lid is engaged.
- Inaccurate temperature: Ensure the device is used in a stable environment. If issues persist, contact customer support.
- Battery not holding charge: Ensure you are using the original USB cable and a compatible power source. If battery life significantly degrades, contact customer support.
8. Specifications
| Product Dimensions | 2.9 x 2.9 x 9.1 inches |
| Item Weight | 1.9 pounds |
| Material Composition | ABS, PP, Glass |
| Batteries | 1 Lithium Ion batteries required (included) |
| Care Instructions | Dishwasher wash, Hand wash (for glass cup and accessories) |
| Additional Product Features | Dishwasher Safe, Glass |

Image: Visual representation of the compact dimensions of the bottle warmer.
9. Warranty and Support
For warranty information, product support, or to purchase replacement parts, please refer to the contact information provided on the product packaging or visit the official NCVI website. Keep your purchase receipt for warranty claims.