Trying to choose a SteriPEN?

All SteriPEN models are made with powerful, long-lasting UV lamps. Models differ in size, weight, power source, warranty duration, and activation method. This chart provides key information to help you make a purchase decision including links to product videos and detailed product information with device specifications.

SteriPEN Models Comparison Table

Model
MSRP
Price
(USA)
Power
Source
Treatments
Per Charge
or Set of
Batteries
Weight
Including
Batteries
Size Including
Lamp Cover
Lamp Life -
Number of
Activations
SteriPEN
Classic 3


SteriPEN Classic 3 - Water purifier powered by alkaline batteries
$69.95Four AA batteries
(alkaline, lithium,
or NiMH rechargeable)
not included
with purchase
Alkaline
Liters: 50

Lithium
Liters: 150
6.3 oz

178 g
7.6 x 1.5 x 1.5 in
(186 x 43 x 43mm)
8,0003 years
SteriPEN
Ultra


SteriPEN Ultra - Water purifier powered by internal battery
$99.95USB rechargeable
internal lithium
battery
Liters: 504.94 oz

140 g
7.3 x 1.6 x 1.3 in
(186 x 42x 33 mm)
8,0003 years
SteriPEN
Freedom


SteriPEN Freedon - The choice of frequent travelers

$99.95USB rechargeable
internal lithium
battery
Half liters: 40
2.6 oz

74 g
5.1 x 1.4 x 0.8 in
(128 x 35 x 22 mm)
8,0003 years
SteriPEN
Adventurer Opti


SteriPEN Adventurer Opti - The adventurers choice
$89.95Two CR123 or RCR123
(rechargeable)
CR123s included
with purchase
CR123
Liters: 50

Rechargeable
Liters: 30
3.8 oz

108 g
6.1 x 1.5 x 1.0 in
(155 x 40 x 24 mm)
8,0003 years
SteriPEN
Sidewinder


SteriPEN Sidewinder - Hand powered water purifier, no batteries required
$99.95Hand crankNot Applicable16.6 oz

471 g
8.6 x 5.5 x 3.8 in
(218 x 139 x 97 mm)
8,0003 years
SteriPEN
Traveler


SteriPEN Traveler - The economical choice when traveling
$49.95Four AA batteries
(lithium, or
NiMN rechargeable)
not included
with purchase
Lithium
Liters: 100

Rechargeable: 80
5.5 oz

156 g
7.6 x 1.5 x 1.5 in
(193 x 38 x 38 mm)
3,0001 year
SteriPEN
Emergency


SteriPEN Emergency - Be prepared when disaster strikes
$49.95Four AA batteries
(lithium, or
NiMN rechargeable)
not included
with purchase
Lithium
Liters: 100

Rechargeable: 80
5.5 oz

156 g
7.6 x 1.5 x 1.5 in
(193 x 38 x 38 mm)
3,0001 year