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SteriPEN Ultra UV Water Purifier

7.8/10 Good

SteriPEN Ultra UV purifier review. 4.9 oz, kills viruses in 90 seconds, USB rechargeable with 8,000-treatment lamp. Is UV purification right for your kit?

$90
$110 Save $20
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Last updated: 2026-04-08

Score Breakdown

Portability 8.5/10
Value 7.0/10
Features 8.5/10
Build Quality 7.5/10

Pros & Cons

What We Like

  • True virus removal via UV-C — one of few portable options that kill viruses
  • Only 4.9 oz with rechargeable battery — lighter than pump purifiers
  • 8,000-treatment UV lamp lasts 7+ years of regular use
  • OLED display confirms successful treatment
  • USB rechargeable — 50 liters per charge from solar or battery bank

Watch Out For

  • Requires clear water — does not physically filter sediment or particles
  • Battery dependent — useless if battery dies in the field
  • Does not remove chemicals, heavy metals, or taste/odor
  • Bulb is fragile and can break if dropped on rocks
  • Requires a wide-mouth container to submerge the UV element

Full Specifications

Filter Type UV-C light purification
Weight Oz 4.9
Flow Rate 1 L in 90 seconds
Filter Life Gallons 2113
Filter Life Treatments 8000
Pore Size N/A — UV neutralization
Contaminants Removed bacteria, protozoa, viruses
Requires Power true
Virus Removal true
Battery Type rechargeable lithium-ion
Battery Capacity Mah 2200
Treatments Per Charge 50
Charge Via USB
Treatment Time Half Liter 48 seconds
Treatment Time One Liter 90 seconds
Oled Display true
Dimensions 7.3 x 1.6 x 1.3 in
Operating Temp above freezing

Best For

Camping Hiking Emergency Preparedness

Compare SteriPEN Ultra UV Water Purifier

SteriPEN Ultra UV Water Purifier vs AquaTru Countertop Reverse Osmosis Purifier SteriPEN Ultra UV Water Purifier vs Big Berkey Gravity Water Filter SteriPEN Ultra UV Water Purifier vs Bluevua RO100ROPOT Countertop Reverse Osmosis System SteriPEN Ultra UV Water Purifier vs British Berkefeld/Doulton Gravity Water Filter

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