Introduction
Thank you for choosing the Grownsy Detachable Portable Bottle Warmer PF05. This all-in-one device is designed for convenient and efficient milk warming, whether at home or on the go. It features dual heating modes for breast milk and formula, fast heating capabilities, and a long-lasting battery, ensuring your baby's food is always at the perfect temperature.
This manual provides essential information for the safe and proper use of your bottle warmer. Please read it thoroughly before first use and keep it for future reference.
Package Contents
Your Grownsy Portable Bottle Warmer package includes the following items:
- Bottle Warmer Base (with integrated heating element and control panel)
- Detachable Bottle Body (12 oz / 350 ml capacity)
- Nipple Cap (for direct feeding)
- Easy-Pour Cap (for transferring liquids)
- Small Nipple (0-3 months)
- Medium Nipple (3-6 months)
- USB-C Charging Cable
- Power Adapter
- User Manual

Setup
- Initial Cleaning: Before first use, disassemble all parts (bottle body, caps, nipples) and wash them thoroughly with warm soapy water. Rinse well and allow to air dry completely. Ensure the electrical contacts on the base are dry before reassembly.
- Assemble Bottle: Attach the desired nipple (small for 0-3 months, medium for 3-6 months) to the nipple cap.
- Attach Bottle to Base: Align the unlock icon (🔓) on the bottle body with the unlock icon (🔓) on the base. Place the bottle body onto the base and rotate clockwise until the lock icon (🔒) on the bottle body aligns with the lock icon (🔒) on the base. This secures the bottle to the heating base.
- Charge Battery: Connect the USB-C charging cable to the charging port on the base and plug the adapter into a power outlet. The battery indicator lights will show charging progress. A full charge is indicated when all lights are solid.


Operating Instructions
- Fill Bottle: Pour the desired amount of breast milk or formula into the detachable bottle body. Do not overfill.
- Power On: Short press the power button (⏻) to turn on the device. The display will flash, showing the last used temperature setting.
- Select Heating Mode:
- For Milk Warming: Short press the milk bottle button (🍼) to enter milk warming mode. Each press adjusts the temperature in a cycle: 80°F (26°C) / 90°F (32°C) / 95°F (35°C) / 98°F (37°C).
- For Water Warming: Short press the water drop button (💧) to switch to water warming mode. Each press adjusts the temperature in a cycle: 98°F (37°C) / 104°F (40°C) / 110°F (43°C) / 122°F (50°C) / 131°F (55°C).
- Start Warming: After selecting the desired temperature, the device will automatically start heating if no operation is performed within 2 seconds. The LED display will show the current temperature.
- Keep Warm Function: Once heating is complete, the device will beep, and the LED will display the target temperature. The device automatically enters a 2-hour keep-warm mode, maintaining the set temperature. After 2 hours, the device automatically turns off.
- Memory Function: The device automatically saves the last function setting after it has been running for more than 5 seconds. The saved mode and temperature will be displayed the next time the device is powered on.

Charging
The Grownsy Portable Bottle Warmer is equipped with a powerful 18000mAh battery, allowing it to heat 4 oz of milk up to 8 times on a single charge. It supports Type-C fast charging for quick and convenient recharging.
- Connect the provided USB-C cable to the charging port on the base.
- Plug the other end of the cable into the power adapter and then into a wall outlet.
- The battery indicator lights on the control panel will illuminate to show the charging status.
- A full charge typically takes approximately 3 hours.
- You can also charge the device using a power bank or in your car, ensuring you're always prepared.

Cleaning and Maintenance
Regular cleaning is essential to maintain hygiene and prolong the life of your bottle warmer.
- Disassembly: Ensure the device is powered off and cool. Rotate the bottle body counter-clockwise from the base to detach it. Separate the nipple cap/easy-pour cap from the bottle body.
- Washing: Wash all detachable parts (bottle body, caps, nipples) with warm soapy water. Use a soft brush for thorough cleaning. Rinse all components thoroughly with clean water.
- Base Cleaning: The heating base is not waterproof. Do not immerse the base in water or any other liquid. Wipe the exterior of the base with a damp cloth. Ensure the electrical contacts are kept dry.
- Drying: Allow all parts to air dry completely before reassembling or storing.
- Storage: Store the clean and dry bottle warmer in a cool, dry place away from direct sunlight.

Specifications
| Feature | Detail |
|---|---|
| Model | PF05 |
| Package Dimensions | 9.09 x 7.87 x 4.41 inches |
| Battery Capacity | 18000mAh (1 12V battery included) |
| Material Type | 316 Stainless Steel, BPA-free Plastic |
| Heating Modes | Breast Milk Warming (80°F / 90°F / 95°F / 98°F), Water Heating (98°F / 104°F / 110°F / 122°F / 131°F) |
| Fast Heating | 4 oz water to 104°F in 1.5 min; breast milk to 98°F in 3 min |
| Keep Warm Function | Automatic 2-hour keep-warm |
| Charging Type | Type-C Fast Charging |
| Item Weight | 2.4 pounds |
Troubleshooting
- Device not turning on: Ensure the battery is sufficiently charged. Connect to power and try again.
- Not heating: Check that the bottle body is securely attached to the base, aligning the lock icons. Ensure there is liquid in the bottle.
- Temperature inaccurate: Ensure the device is used in a stable environment. Stir the liquid after heating for even temperature distribution.
- Leakage: Verify that all caps and nipples are securely fastened and the bottle body is correctly attached to the base. Ensure connection surfaces are dry.
Warranty and Support
Grownsy products come with a standard manufacturer's warranty. For specific warranty details, claims, or technical support, please refer to the warranty card included in your package or contact Grownsy customer service directly.
Customer Service:
- Refer to the contact information provided in your product's user manual or packaging.
- Keep your purchase receipt as proof of purchase for warranty claims.