BATTERY
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Frequently Asked Questions
✅ WHAT TO DO
• Use the supplied Usb-c cable (A)
• Use the supplied charger with power OUTPUT 5V 2a (B)
❌ WHAT NOT TO DO
Do not use chargers with different specifications.
A power supply with lower specifications will not charge the battery correctly (or will take many more hours than necessary)
A power supply with higher specifications may burn the battery and irreparably damage the product.
To check the charge status
▶️ Briefly press (1 second) and only once the power button (C).
▶️ The number displayed on the screen (E) corresponds to the current charge level (100, 80, 60, 40, 20, “OL” = 0%).
▶ ADDITIONAL INFORMATION
CABLE AND CHARGER
The battery is charged via the USB-C cable included in your Warm70 package. The charger (B) must have an output power of 5V and 2A (10 Watts). You can use chargers you already have at home, even a phone charger might be suitable, but check the printed specifications before use because chargers have different power outputs and not all are suitable. The OUTPUT 5V 2A is the correct one.
Using the correct cable and charger ensures proper and safe device operation, as well as prolonging battery life. Chargers with different specifications may damage the battery and extend charging times.
USING A POWER BANK
If you are away from home and want to charge the bottle warmer with a portable battery (power bank), use one with at least 10,000mAh capacity.
CHARGING TIMESThe full charging time varies between 4 and 6 hours, depending on the initial battery level and the type of charger used.
• During the charging process, the display (E) will show the digital lines "---" and "100" when fully charged.
• The device can be used with a minimum charge level of 20.
Once fully charged, always remember to disconnect the power cable from the outlet. Doing so preserves the battery’s functionality over time.
CHECKING THE BATTERY LEVEL
Briefly press (1 second) the power button once; the display (E) will show the current battery charge level: 100, 80, 60, 40, and 20.
HOW TO READ THE CHARGE LEVEL ON THE DISPLAY
The Warm70 bottle warmer battery behaves differently from traditional rechargeable batteries, such as those in mobile phones. It is defined as a "single cell" battery, and the charge levels follow an irregular progression:
Full charge 100%: Level 100
From 95% to 80% charge: the display shows Level 80
From 79% to 60% charge: the display shows Level 60
From 59% to 40% charge: the display shows Level 40
From 39% to 20% charge: the display shows Level 20
Below 20% charge: the display shows the code OL
For example, when the battery level is at 90%, the display will show 80; when it is at 70%, the display will show 60.
USING THE DEVICE WITH A CHARGE LEVEL BELOW 20
You can use Warm70 even with a charge level of 20, but it is recommended to connect it to the charger to avoid it shutting off before completing the heating.
LOW BATTERY WARNING AND AUTOMATIC SHUTDOWN
• During use, if the battery level reaches 20, an acoustic signal will remind you to recharge it.
• When the battery level falls below 20, the display will show "OL" and the product will automatically shut off.
• When the bottle content is below 20 ml or dry, the product will automatically shut off to protect the battery from damage.
PRECAUTIONS
• The product is shipped with a factory pre-charge that is not 100%. If used before fully charging, the battery memory will not reset, preventing the level 100 from being reached during subsequent charges.
• Using a charger with different specifications than recommended can damage the battery and negatively affect product performance, as well as void the warranty.
The battery is charged via the USB-C cable included in your Warm70 package. The charger (B) must have an output power of 5V and 2A (10 Watts). You can use chargers you already have at home, even a phone charger might be suitable, but check the printed specifications before use because chargers have different power outputs and not all are suitable. The OUTPUT 5V 2A is the correct one.
Using the correct cable and charger ensures proper and safe device operation, as well as prolonging battery life. Chargers with different specifications may damage the battery and extend charging times.
USING A POWER BANK
If you are away from home and want to charge the bottle warmer with a portable battery (power bank), use one with at least 10,000mAh capacity.
CHARGING TIMES
Once fully charged, always remember to disconnect the power cable from the outlet. Doing so preserves the battery’s functionality over time.
CHECKING THE BATTERY LEVEL
Briefly press (1 second) the power button once; the display (E) will show the current battery charge level: 100, 80, 60, 40, and 20.
HOW TO READ THE CHARGE LEVEL ON THE DISPLAY
The Warm70 bottle warmer battery behaves differently from traditional rechargeable batteries, such as those in mobile phones. It is defined as a "single cell" battery, and the charge levels follow an irregular progression:
Full charge 100%: Level 100
From 95% to 80% charge: the display shows Level 80
From 79% to 60% charge: the display shows Level 60
From 59% to 40% charge: the display shows Level 40
From 39% to 20% charge: the display shows Level 20
Below 20% charge: the display shows the code OL
For example, when the battery level is at 90%, the display will show 80; when it is at 70%, the display will show 60.
USING THE DEVICE WITH A CHARGE LEVEL BELOW 20
You can use Warm70 even with a charge level of 20, but it is recommended to connect it to the charger to avoid it shutting off before completing the heating.
LOW BATTERY WARNING AND AUTOMATIC SHUTDOWN
PRECAUTIONS
A USB-C cable included
B Charger. Read the "output" label before use
C Power on/off button
D Display
HOW MANY BOTTLES CAN YOU WARM WITH A FULL CHARGE (LEVEL 100)?
❗ Battery life varies depending on the quantity and initial temperature of the liquid, as well as the desired target temperature.
❗ Ambient temperature and bottle type can also affect the warming time and therefore the battery life.
The performance indicated in the table may be subject to a variability of ±10%.
Frequently Asked Questions
▶ ADDITIONAL INFORMATION
The battery life varies depending on the amount of liquid heated, the initial temperature, and the temperature you want to reach.
Starting from a full charge level of 100, to heat 120 ml of milk stored at room temperature to 37°C:
• At the end of the first heating, the level drops to 80.
• After the second heating, the level drops to 60.
• After the third and fourth heating, it still shows 60.
• After the fifth, sixth, and seventh heating, it shows 40.
• The eighth heating will start from 20. In this case, if you heat a quantity of milk greater than 120 ml, it is advisable to connect the power adapter because the bottle warmer could turn off before finishing the heating.
The progression can drop faster depending on the type of use.
The progression can drop faster depending on the type of use.
Frequently Asked Questions
▶️ Press and hold the power button until “ - - -” appears
▶️ To turn it off, press and hold the same button for a few seconds.
▶ THE BOTTLE WARMER AUTOMATICALLY TURNS OFF IF:
Frequently Asked Questions
✅ WHAT TO DO
Screw the correct adapter onto the baby bottle.
Screw the baby bottle with the adapter onto the bottle warmer (remember to insert the gasket correctly to avoid leaks).
❌ WHAT NOT TO DO
Do not overtighten. Overtightening may cause the adapter gasket to break.
❗ WHICH ADAPTER TO USE
Each adapter is marked with a code that helps you identify which adapter is suitable for your baby bottle model.
Find the corresponding adapter in the table below:
▶ ADDITIONAL INFORMATION
• If you lose your adapter, you can purchase it separately in the spare parts section on Nuvita’s official website.
• It is important to ensure that the adapter is correctly mounted, without overtightening, before starting the heating process. Improper installation may cause heat loss or damage to the baby bottle or the bottle warmer.
• It is important to ensure that the adapter is correctly mounted, without overtightening, before starting the heating process. Improper installation may cause heat loss or damage to the baby bottle or the bottle warmer.
HEATING TEMPERATURE ADJUSTMENT
▶️ Turn on the bottle warmer then press the power button (C)
▶️ The default temperature of 37°C appears on the screen (D)
▶️ Press the power button multiple times to select the desired temperature, choosing from 37°C, 40°C, 45°C, 50°C, or 70°C.
▶️ Heating will start automatically
▶️ The display will show the rising temperature of the liquid in contact with the heating plate. Stir the liquid to achieve an even temperature (read more)
▶️ Once the liquid reaches the set temperature, the device emits an audible signal and automatically maintains the temperature or automatically turns off if the set temperature is 70°C.
▶ ADDITIONAL INFORMATION
Available temperatures: 37°C, 40°C, 45°C, 50°C, and 70°C.
• 37°C is considered a comfortable temperature for breast milk or direct consumption.
• 50°C is the maximum allowed according to safety regulations.
• 70°C is the temperature to use to warm water and prepare powdered milk according to World Health Organization guidelines.
• 37°C is considered a comfortable temperature for breast milk or direct consumption.
• 50°C is the maximum allowed according to safety regulations.
• 70°C is the temperature to use to warm water and prepare powdered milk according to World Health Organization guidelines.
HEATING TIMES
❗ The heating time varies depending on the quantity and initial temperature of the liquid, the ambient temperature where you are, the type of bottle, and the temperature set for heating.
▶️ Warm70 notifies you with a beep when it has reached the temperature you set.
▶️ To ensure that the liquid heats evenly, stir the liquid as described in the next section.
The indicated performance may be subject to a variability of ±10%.
▶ PRACTICAL EXAMPLES
The time needed to bring all the water or milk to the desired temperature depends on various factors. Let's consider an extreme example: are you at the beach in summer or in the mountains in winter?
• If you intend to warm up 120 ml of liquid to 37°C (ideal body temperature for newborn milk) starting from room temperature (for example, you are on the beach on a summer day at 27°C), the temperature difference is only 10°C and Warm70 will need just 4 minutes.
• However, if it's winter and you are outdoors (for example, at 10°C) and want to warm a double quantity (for example, 240 ml), then the bottle warmer will need more time to bring the liquid to the same temperature.
The device is optimized to warm up to 240 ml; consequently, for larger quantities, longer heating times will be necessary.
• If you intend to warm up 120 ml of liquid to 37°C (ideal body temperature for newborn milk) starting from room temperature (for example, you are on the beach on a summer day at 27°C), the temperature difference is only 10°C and Warm70 will need just 4 minutes.
• However, if it's winter and you are outdoors (for example, at 10°C) and want to warm a double quantity (for example, 240 ml), then the bottle warmer will need more time to bring the liquid to the same temperature.
The device is optimized to warm up to 240 ml; consequently, for larger quantities, longer heating times will be necessary.
Frequently Asked Questions
✅ WHAT TO DO
During heating, stir the contents of the bottle by gently moving it to allow the contents to mix and for the sensor to indicate the actual temperature of the liquid. It is normal for the indicator to show a lower temperature when stirring.
❌ WHAT NOT TO DO
Do not consider the temperature indicated by the warmer as the actual temperature if you have never stirred the liquid during the heating period, because the heat will not be distributed evenly.
Do not invert the warmer during the heating process.
▶ ADDITIONAL INFORMATION
The milk in contact with the plate reaches the desired temperature before the milk in the upper layer, farther from the heating plate.
To heat evenly, therefore, gently stir the contents during the heating period.
If the liquid is never stirred during heating, some spots will remain cold, especially if the liquid is more than 240 ml and if the starting temperature was very low.
During use:
• Do not invert the bottle warmer, leaving the heating plate dry
• Do not remove the bottle from the bottle warmer
The temperature sensor is located on the heating plate; once it detects the target temperature, it stops heating.
To heat evenly, therefore, gently stir the contents during the heating period.
If the liquid is never stirred during heating, some spots will remain cold, especially if the liquid is more than 240 ml and if the starting temperature was very low.
During use:
• Do not invert the bottle warmer, leaving the heating plate dry
• Do not remove the bottle from the bottle warmer
The temperature sensor is located on the heating plate; once it detects the target temperature, it stops heating.
HOW LONG DOES IT KEEP THE HEAT?
❗You can use Warm70 to keep the liquid at temperature for several hours, for example warm water for night feedings.
The performance indicated in the table may be subject to a variability of ±10%.
▶ ADDITIONAL INFORMATION
• The longest operating time for heat maintenance is about 8 hours for 120 ml of liquid kept at 37°C. This heat maintenance time is based on a full battery charge.
• If you want to keep the water warm overnight, we recommend keeping the bottle warmer connected to the power adapter.
• For breast milk, it is recommended not to exceed 30 minutes of heat maintenance. Always consult a neonatal nutrition specialist for advice on nutrition and appropriate temperatures.
• If you want to keep the water warm overnight, we recommend keeping the bottle warmer connected to the power adapter.
• For breast milk, it is recommended not to exceed 30 minutes of heat maintenance. Always consult a neonatal nutrition specialist for advice on nutrition and appropriate temperatures.
Frequently Asked Questions
The MIX70 bottle warmer is designed to reach a maximum temperature of 70 °C. Thanks to this feature, it can also be used to reconstitute powdered milk when away from home, in accordance with the guidelines of the W.H.O. for the proper preparation of formula.
⚠️ SAFETY WARNINGS FOR USE
• Never leave the device unattended when using the 70 °C setting. There is a risk of overheating or internal pressure build-up if left running for an extended period.
• Do not use outside the range 37 °C ≥ T ≤ 70 °C, as lower or higher temperatures could affect product safety or the quality of the warmed or prepared milk.
• Before giving the milk to your baby, test the temperature by pouring a few drops on your wrist: it should feel pleasantly warm, never hot.
• Do not use the 70 °C function to heat breast milk, as high temperatures can alter its nutritional properties.
▶ WHO RECOMMENDATIONS FOR POWDERED MILK PREPARATION
• Wash your hands thoroughly with soap and water before preparing the formula.
• Clean and sterilize all utensils, bottles, nipples, and containers before use.
• Bring the water used to dissolve the formula to 100 °C to eliminate any bacteria present in the powdered milk.
• Within 30 minutes, let the temperature drop to no lower than 70 °C.
• Add the exact amount of formula powder and stir until fully dissolved.
• Quickly cool the bottle under cold running water or in a container with cold water until it reaches feeding temperature (~37 °C).
• Test the milk temperature on your wrist before feeding the baby.
• Use the reconstituted milk within 2 hours. After that, it must be discarded.
• Never store leftover milk in the bottle for later use.
• If you need to prepare it in advance, store it in the fridge (≤ 5 °C) and use it within 24 hours.
Frequently Asked Questions
Special infant formulae are designed to meet specific needs, such as intolerances, allergies, colic, constipation, gastroesophageal reflux, prematurity, or low birth weight. These products are classified as foods for special medical purposes and should only be used under the pediatrician's prescription, who evaluates the child's medical history and clinical conditions.
If special formula is required for feeding your baby, it is important to know that its composition has a higher fat percentage than regular infant formula, and this requires appropriate temperatures and heating times that may differ from the standard guidelines.
▶ HOW TO USE THE PORTABLE BOTTLE WARMER TO HEAT SPECIAL MILKS
• Set the heating temperature between 40°C and 45°C.
• Stir the milk well during the first few minutes by moving the bottle (even if the bottle warmer is the model with mixing spiral).
• Check the heating from time to time to reach around 37°C, suitable for consumption.
If the final temperature is not satisfactory, a second heating may be useful as the milk is already partially warm.
This system allows you to optimally heat the special milk without compromising its medical properties.
It is recommended to follow the described procedure especially with milk that has already been reconstituted at home or with liquid milk.
Frequently Asked Questions
✅ WHAT TO DO
With the device turned off:
• Remove the adapter and gasket
• Clean the heating plate with a damp cloth or with white vinegar in case of limescale deposits.
• To remove milk residues, fill a bottle with water previously heated to 100°C diluted with a few drops of dish soap and shake.
(Find more detailed instructions below)
❌ WHAT NOT TO DO
Do not put the bottle warmer under water.
Do not use chemical products.
▶ SPECIFIC INSTRUCTIONS FOR CLEANING ALL COMPONENTS
During the cleaning process, the product must remain turned off.
SEALS
Before cleaning the heating plate, remove the seals (both from the heating body and the adapter) and wash them with water and soap. Do not sterilize them with heat.
BOTTLE WARMER
• During daily use, when heating water, it is sufficient to wipe the heating plate with a damp cloth. If white marks (limescale) appear on the heating plate, remove them by applying some diluted white alcohol vinegar mixed lightly with bottled natural water and let it act. Do not exceed the limit or let the liquid spill out, as this could damage the product display. Alternatively, a few drops of lemon juice may also be effective.
• To remove milk residues, fill a bottle with water previously heated to 100°C diluted with a few drops of dish soap and connect it to the device, only after repositioning the cleaned seals. The device must remain off during the entire cleaning process. Gently shake for a few minutes to help dissolve the milk residues. Disconnect the bottle, empty the contents, rinse the plate with clean water to remove soap, and dry with a soft cloth.
• Alternatively, cleaning wipes can be used, but in this case too, rinse the plate with water to remove any detergent residues that could contaminate the liquid to be heated.
SEALS
Before cleaning the heating plate, remove the seals (both from the heating body and the adapter) and wash them with water and soap. Do not sterilize them with heat.
BOTTLE WARMER
• During daily use, when heating water, it is sufficient to wipe the heating plate with a damp cloth. If white marks (limescale) appear on the heating plate, remove them by applying some diluted white alcohol vinegar mixed lightly with bottled natural water and let it act. Do not exceed the limit or let the liquid spill out, as this could damage the product display. Alternatively, a few drops of lemon juice may also be effective.
• To remove milk residues, fill a bottle with water previously heated to 100°C diluted with a few drops of dish soap and connect it to the device, only after repositioning the cleaned seals. The device must remain off during the entire cleaning process. Gently shake for a few minutes to help dissolve the milk residues. Disconnect the bottle, empty the contents, rinse the plate with clean water to remove soap, and dry with a soft cloth.
• Alternatively, cleaning wipes can be used, but in this case too, rinse the plate with water to remove any detergent residues that could contaminate the liquid to be heated.
Frequently Asked Questions
▶ ADDITIONAL INFORMATION ABOUT THE MELLYPLUS STERILIZER
Technical Features of the MellyPlus Portable Sterilizer
The MellyPlus sterilizer uses UV rays for a natural and quick cleaning. Through ozone generation, it eliminates 99.9% of germs and bacteria in just 2 minutes.
It is portable because it is battery-powered. It is small and lightweight, so you can carry it in your bag with the bottle warmer and sterilize the warming plate outside the home, as well as pacifiers, nipples, or the inside of our bottles.
Turning On and Using the MellyPlus Portable Sterilizer • Place the sterilizer lid on the bottle warmer (remember to remove the gasket and adapter).
• Press the button on top of the lid for 3 seconds to turn it on. The light will start blinking.
• Press the button again to activate the UV lamp. The lamp will start to pulse slowly, indicating sterilization is in progress.
The process will last about 2 minutes.
The 3 Uses of the MellyPlus Portable Sterilizer
Place the lid with the lamp (H) on the Warm70 as shown in the infographic to sterilize the bottle warmer’s plate after cleaning it with a damp cloth. (I)
By opening only the lower part of the MellyPlus, you can also sterilize the gasket, the bottle, and the nipple.
You can sterilize pacifiers and teething rings by placing them inside.
You can purchase the Melly Plus sterilizer on nuvitababy.com 🛒
The MellyPlus sterilizer uses UV rays for a natural and quick cleaning. Through ozone generation, it eliminates 99.9% of germs and bacteria in just 2 minutes.
It is portable because it is battery-powered. It is small and lightweight, so you can carry it in your bag with the bottle warmer and sterilize the warming plate outside the home, as well as pacifiers, nipples, or the inside of our bottles.
Turning On and Using the MellyPlus Portable Sterilizer
The 3 Uses of the MellyPlus Portable Sterilizer
Place the lid with the lamp (H) on the Warm70 as shown in the infographic to sterilize the bottle warmer’s plate after cleaning it with a damp cloth. (I)
By opening only the lower part of the MellyPlus, you can also sterilize the gasket, the bottle, and the nipple.
You can sterilize pacifiers and teething rings by placing them inside.
You can purchase the Melly Plus sterilizer on nuvitababy.com 🛒
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