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STERIPEN Water Purifier's Ultra UV

Q: Do you have to use it with a nalgene-type container? Would it work with a flexible bag-like container?

Bag should work fine I think. As long as the mouth is wide enough to fit the whole pen in.

Q: Will the water in my Hydroflask stay purified after using the Steripen if I’m not drinking the whole bottle at once, or do have to repeat the process?

my Daughter and I used it for a week on the Appalachian Trail and we were fine. We did not re-sterilize our water bottle every time we drank from it—only using the steri pen when we initially filled the water bottle. We also used it to sterilize the water we poured into our 3 liter Camelbacks. Note that there were a couple of contaminated water advisories posted when we went, we used two purification systems-the Sawyer mini and the Steripen-just to be safe, but we never re-purified each time we drank.

Q: Just confirming that the charging comes with it?

Depends on what you mean by "the charging." The cord comes in the box (although it's a generic cellphone type cord, anyway). A wall charger does not. Any charger into which you can plug the cable will suffice, as the SteriPen does not require a high-output wall unit.

Product ID: 259731559

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Details

Brand
Steripen
Special features
Portable
Product dimensions
18.5L x 3.3W x
Material
Plastic
Capacity
50 Liters

🎒140g ultra-lightweight design

💡UV-C sterilizes 99.9% pathogens

🔋50L per full USB charge

Frequently Bought Together

Katadyn Steripen Ultra Portable UV Water Purifier – Rechargeable 2200mAh Battery, Eliminates 99.99% Microorganisms, Fast Water Treatment for Hiking, Camping & Travel

Aquatabs 397mg Water Purification Tablets (100 Pack). Water Filtration System for, Camping, Boating, Emergencies, Survival, RVs, and Marine-Use. Easy to Use Treatment and Disinfection.

LifeStraw Personal Water Purifier for Hiking, Camping, Travel, and Emergency Preparedness

Description

💧 Purify on the go—because safe water waits for no one!

SMART OLED DISPLAY - Real-time purification progress & battery alerts for effortless use
COMPACT LIGHTWEIGHT - Sleek 140g design fits seamlessly into any backpack or travel kit
USB RECHARGEABLE POWER - Charge anywhere—laptop, solar panel, or car—for up to 50 liters of purified water
ADVANCED UV C STERILIZATION - Eliminates 99.9% of bacteria, viruses & protozoa for instant safe hydration
ECO FRIENDLY CHEMICAL FREE - Pure water without plastic filters or harmful chemicals—sustain your adventure responsibly

The SteriPEN Ultra Water Purifier uses cutting-edge UV-C light technology to eliminate 99.9% of harmful pathogens instantly in clear water. Featuring a user-friendly OLED display and USB rechargeable battery, it delivers up to 50 liters of purified water per charge in a compact, lightweight design ideal for travelers, campers, and emergency preparedness.

Specifications

Brand	SteriPen
Special Feature	Portable
Product Dimensions	7.3"L x 1.3"W x 1.6"H
Package Information	Box
Installation Type	Countertop
Power Source	Corded Electric
Item Weight	0.3 Pounds
Model Name	Steripen Ultra UV Water Purifier
Maximum Flow Rate	2 Liters Per Minute
Supported Water TDS Level Maximum (PPM)	500
UPC	899321000970 899321000987 899321000864 400110428167 899321000130 751738969793
Global Trade Identification Number	00899321000130
Manufacturer	Hydro-Photon, Inc.
Manufacture Year	2021
Item Package Dimensions L x W x H	7.95 x 4.37 x 2.17 inches
Package Weight	0.26 Kilograms
Item Dimensions LxWxH	7.3 x 1.3 x 1.6 inches
Brand Name	SteriPen
Warranty Description	3 Year Manufacturer Warranty
Color	Blue
Suggested Users	unisex-adult
Number of Items	1
Part Number	ULT-MP-EF
Model Year	2018
Style	Uv
Size	Small
Sport Type	Camping & Hiking

Have a Question? See What Others Asked

Do you have to use it with a nalgene-type container? Would it work with a flexible bag-like container?

Will the water in my Hydroflask stay purified after using the Steripen if I’m not drinking the whole bottle at once, or do have to repeat the process?

Just confirming that the charging comes with it?

can it be used in still water?

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