US
Grownsy

GROWNSY Fast Double Baby Bottle Warmer

  • 3 to 7 minutes to bring cold milk to body temperature
  • 8-in-1 functions: warm, thaw, keep warm, steam, food heating, timer
  • Adjustable temperature with a timer and auto shut off
  • Steam sterilizing for bottles and nipples
  • Anti-scald basket listed among the functions
  • 2.7 fluid ounces listed capacity, bottle fit not stated
  • 0.95 kg unit weight

Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A capable night-feeding warmer that heats milk, thaws, steams bottles and warms baby food from one base. Bottle sizes and shapes that fit are not listed, so check your bottles first.

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ASIN: B07X1ZKDBGModel: W3Category: Bottle Warmers

Overview

A nursery shelf or kitchen counter used for night feeds is where this double warmer works: a gentle water bath brings breastmilk or formula up to body temperature and can hold it there. Steam mode cleans bottles and nipples, and a basket handles baby food.

Parents who want one appliance for warming, thawing and steam cleaning get all of it here, with a timer that switches the heater off when milk is ready. Missing details hold it back: the listing gives no wattage and no list of bottle brands that fit. Measure your widest bottle before ordering.

Who it's for

Night feeds with bottles of pumped milk or formula, plus the odd jar of baby food, are the situation this warmer serves. Families who already own a separate sterilizer and warm one bottle at a time may leave the extra modes unused.

Pros and cons

Pros
  • Warms cold milk to body temperature quickly
  • Timer turns the heater off automatically
  • Steam mode cleans bottles and nipples
  • Thaw mode for frozen breastmilk
Cons
  • Bottle size compatibility not listed
  • Listed capacity seems small for two bottles
  • No wattage or heating power stated

Performance notes

Warming speed depends on the starting temperature of the milk and how much water surrounds the bottle, since heat moves through the water bath rather than direct contact. The timer and auto shut off stop heating once the cycle ends, which limits overheating. Steam mode relies on water turning to vapor around the bottles and nipples.

Specifications

BrandGrownsy
ModelW3
Dimensions & fit
Item Weight2.09 pounds
Capacity & performance
Capacity2.7 fluid ounces
Construction & materials
ColorWhite
Included components
Unit Count1
Number Of Packs1
Other details
Number Of Items1
Item Highlight8-in-1 Functions, Precise Temp Control, Timer, Defrost, Sterilize, Keep Warm, Baby Food Heating

Frequently asked questions

Is the Grownsy W3 bottle warmer a standalone sterilizer?

No. It is a bottle warmer with a steaming function that deep cleans bottles and nipples with steam. The listing does not describe a drying cycle.

Can the Grownsy bottle warmer thaw frozen breastmilk?

Yes. Thaw is one of its listed functions, alongside fast warming and keep warm.

Does the Grownsy W3 turn itself off?

Yes. The warmer turns off automatically with the timer when the milk is ready.

Which bottles fit the Grownsy double bottle warmer?

The listing names no bottle brands or sizes and states a capacity of 2.7 fluid ounces. Check the width and height of your bottles before buying.

Can I warm baby food in the Grownsy warmer?

Yes. Food heating is one of the listed functions.