CrazyCap Water Bottles Shop

CrazyCap reinvents hydration with cutting-edge UV-C technology that purifies water in minutes and keeps your bottle fresh automatically. It’s more than just a bottle—it’s a self-cleaning, surface-sterilizing powerhouse wrapped in sleek, insulated stainless steel. Whether you’re navigating city streets or exploring the outdoors, CrazyCap gives you confidence in every sip without the need for filters or chemicals. Designed for modern life, it delivers pure water, lasting temperature control, and powerful sterilization, all in one portable, rechargeable package.

Top CrazyCap Water Bottles

CrazyCap 2.0 UV Water Purifier & Self-Cleaning Stainless Steel Insulated Water Bottle

This 17oz bottle features NSF-certified UV-C technology that purifies water in as little as 60 seconds, while its double-walled stainless steel keeps beverages cold for 24 hours or hot for 12.

CrazyCap 17oz UV-C Water Purification Thermal Bottle

With a 17oz capacity and Carrara Marble finish, this bottle offers deep UV sterilization and a self-cleaning function, ensuring fresh water and a stylish design.

CrazyCap 500ml UV Sterilization Water Bottle

This compact 500ml bottle provides powerful UV-C purification, self-cleaning capabilities, and maintains drink temperatures for extended periods, making it ideal for daily use.

CrazyCap’s innovation spans a sleek lineup of self‑sterilizing hydration solutions designed to keep you safe and refreshed wherever you go.

UV‑Purifying Bottles

These bottles integrate a Deep UV LED cap that can destroy bacteria, viruses, and pathogens in about 60 seconds, delivering clean, drinkable water from many sources without chemicals or filters.

Self‑Cleaning Insulated Bottles

Built with vacuum‑insulated stainless steel, these bottles maintain cold for 24 hours or hot for 12, while their cap automatically activates every 4 hours to self‑clean the interior and prevent mold or odors.

Cap‑Only Sterilization Modules

For those who already own a compatible bottle, CrazyCap offers the UV‑C LED cap as a standalone module—just attach it to your vessel and enjoy the same purification and self‑cleaning features.


Customer Reviews

“Using the UV mode during a week‑long backpacking trip saved me from worrying about water sources in remote areas—John Miller reported his water always tasted clear and fresh, and the self‑cleaning cycle prevented any funky smells in the bottle.”

“After two months in city life, my office water fountain didn’t phase this device—Sarah Thompson said the bottle stayed spotless, and she used the cap on her phone and utensils with confidence.”

“From gym to travel, David Johnson found the battery life reliable over several days; he was impressed by how cold his drinks stayed while never needing filters or extra parts.”

CrazyCap FAQ

How does CrazyCap purify water?

CrazyCap uses a patented Deep UV-C LED technology in its cap to destroy 99.99% of bacteria, viruses, and pathogens within about 60 seconds, making water safe to drink without chemicals or filters.

Is CrazyCap suitable for outdoor or questionable water sources?

Yes, CrazyCap has a “Crazy Mode” that sterilizes water in about 2.5 minutes, specifically designed to purify water from outdoor or uncertain sources like streams or lakes.

How long does the battery last, and how do I recharge it?

The rechargeable battery typically lasts about a week on a full charge and is conveniently charged via a waterproof USB portless design.

Can CrazyCap sterilize surfaces other than water?

Absolutely. The UV-C LED cap can also be used to sterilize surfaces like phones, utensils, or keys by slowly moving the light over them.

Does the bottle keep my drinks hot or cold?

Yes, the stainless steel insulated bottle keeps drinks cold for up to 24 hours and hot for up to 12 hours.

Do I need to replace filters or use chemicals with CrazyCap?

No filters or chemicals are required. The UV-C light purifies water without any additional components, making it low-maintenance and eco-friendly.

Can I use CrazyCap with other bottles?

Yes, the UV-C LED cap is compatible with multiple bottle styles, allowing you to use it on other vessels as long as they fit properly.

Is CrazyCap effective against all types of water contamination?

CrazyCap is highly effective against bacteria, viruses, and pathogens but is not designed to sterilize water containing organic debris or heavy sediment.

CrazyCap Bottle – Award winning Self-cleaning water bottle