Stenviax
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The most heating power of the three

At 120 W it warms 4 oz breast milk to 98 °F in 70 seconds, straight from the refrigerator. The two travel warmers beside it heat at 85 W and 115 W.

  • 120 Wheating power
  • 70 s4 oz breast milk to 98 °F
  • 149 °Fself-clean cycle, 20 minutes
The Silk Beige warmer with breast milk warming in its chamber, the display reading 98 °F

Three portable warmers, row by row

What is this warmer for
The Stenviax Portable Bottle Warmer Pro compared with a tall flask-style travel warmer and a wide-mouth tumbler warmer, by warm-up time, heating power, charging power, charge time, battery, chamber capacity, temperature settings, chamber material, self-clean cycle, empty-chamber protection and display.
Stenviax ProTall flask-style warmerWide-mouth tumbler warmer
Breast milk, 4 oz to 98 °F70 seconds5 minutes2 min 30 s
Heating power120 W85 W115 W
Charging power45 W36 W36 W
Charge timeAbout 50 minutes1.5 hoursNot published
Battery14,000 mAhNot published14,400 mAh
Chamber capacity17 oz / 500 ml17 ozNot published
Temperature settings7, across 92–122 °F7, across 90–122 °FNot published
Chamber materialFood-grade 316L stainless steelNot publishedNot published
Self-clean cycle149 °F for 20 minutesNone claimedClaimed, no figures
Empty-chamber protectionYes, shows E2Not publishedNot published
DisplaySet temperature and modeNot publishedNot published

How long you stand there holding it

Ours is ready in 70 seconds. The other two take 2 min 30 s and 5 minutes.

Breast milk, 4 oz to 98 °FShorter is sooner
  1. Stenviax Pro70 seconds

    From refrigerator temperature, at a full charge.

  2. Tall flask-style warmer5 minutes

    No starting temperature is published.

  3. Wide-mouth tumbler warmer2 min 30 s

    From refrigerated, on the quicker of its two modes.

Ready for every feed

  • A parent lifting the warmer from the passenger seat, a baby laughing in the car seat behind

    Out for the day

    Cordless wherever the day takes you, and quick to recharge on the adapter in the box.

    Charge time
    About 50 minutes
    Battery
    14,000 mAh
    Chamber capacity
    17 oz / 500 ml
  • A mother holding her smiling baby while spooning formula into a bottle, the Silk Beige warmer on the kitchen counter beside her

    At home

    Separate milk and water settings, in a steel chamber that cleans itself.

    Temperature settings
    7, across 92–122 °F
    Self-clean cycle
    149 °F for 20 minutes
    Chamber material
    Food-grade 316L stainless steel
  • A mother smiling as she pours a warmed bottle at the bedside while the baby sleeps

    Night feeds

    Warm milk in seconds rather than minutes, and it never heats an empty chamber.

    Breast milk, 4 oz to 98 °F
    70 seconds
    Heating power
    120 W
    Empty-chamber protection
    Yes, shows E2
  • 17 oz chamber500 ml
  • Empty-chamber protectionStops and shows E2
  • Food-grade 316L stainless steelBPA-free lid
  • Cordless50 min empty to full

Buy the Bottle Warmer Pro

$69.90 direct from us, or the same warmer on Amazon.

Buy — $69.90Buy on Amazon
Silk Beige warmer lying on its side with the lid open and the strap in frame