About Stenviax
We make one product: a cordless bottle warmer for the two moments a plug-in warmer handles badly, the middle of the night and everywhere that is not your kitchen.
What we built, and why
We designed the Bottle Warmer Pro around three problems parents told us about repeatedly: waiting at 3 a.m. for a kettle or a plug-in warmer to catch up, warming a bottle away from any outlet, and guessing how warm the milk is.
The seven fixed temperatures, the empty-chamber detection that stops the cycle and shows an E2 alert rather than heating nothing, and the 149 °F self-clean cycle each answer one of those, not a features checklist. Milk warms in the chamber itself and pours straight into your bottle, with no water bath to wait for.
Every figure is on the specification page, with the conditions it was measured under.
- Chamber
- 17 oz / 500 ml
- Battery
- 14,000 mAh
- Breast milk, 4 oz to 98 °F
- About 70 s
- Charge, empty to full
- About 50 min
- Chamber material
- Food-grade 316L stainless steel
- Lid material
- BPA-free
Measured from refrigerator temperature at a full charge. With the 45 W PD adapter and braided USB-C cable in the box.
The Stenviax team
The Stenviax team designs, tests and supports the Bottle Warmer Pro, and writes the guides on our blog. Every message sent to support@stenviax.com reaches the team that designs and supports it.
Company details
Design and trademark
The Bottle Warmer Pro is designed and engineered in the United States, and Stenviax is a registered trademark there.
Get in touch
Product questions, order questions, or anything else: the fastest way to reach us is the contact form on the support page, or support@stenviax.com directly.
For how to run and clean the warmer, the support answers follow the printed manual. For a privacy request, the privacy page sets out what happens next.