Where to Buy
Help support this site by making your next gear purchase through one of the links above. Click a link, buy what you need, and the seller will contribute a portion of the purchase price to support Trailspace's independent gear reviews.
Here's what other sites are saying:
Enjoy all the features of Adventurer Opti plus complete freedom on or off the grid. Solar charging clamshell case pulls double duty, recharging the included double-cell rechargeable CR123 lithium battery and providing handy, secure storage for the purifier. Clip the charging case onto a backpack or set it on the ground and aim it towards the sun to recharge the double-cell battery Empty charging case weighs 6.8 oz (193 g) Solar panel recharges 1 double-cell battery in 2 - 5 days, depending on solar conditions Battery can be recharged via the included plug-in power adapter in 4 - 6 hrs Includes Neoprene storage case w/ belt loop, 2 CR123 Batteries and user guide
Backpacker Magazine 2011 Editor's Choice Award winner. The SteriPEN Adventurer Opti Water Purifier with Solar Charger and Case uses a revolutionary optical eye to sense the water. The patent-pending technology provides safe use and the standard insulating sleeve around the UV lamp allows purification in even the coldest of waters. Similar to other SteriPEN models, the Opti purifies 0.5 L (16 oz.) in 48 seconds and 1.0L (32 oz.) in just 90 seconds. The new optical sensor doubles as a convenient LED flashlight. It's a great backup light when camping or taking a night-time walk to refill your water bottle. The Flashlight mode is activated by pressing and holding the single button down for 3 seconds. The clear lamp cover focuses the LED light.
The SteriPEN Adventurer Opti water purifier with Solar Charging case is equipped with an optical water sensor for reliable purifing performance. Solar charging clamshell case pulls double duty, recharging the included double-cell rechargeable CR123 lithium battery and providing handy, secure storage for the purifier. Simply clip the charging case onto a backpack or set it on the ground and aim it towards the sun to recharge the double-cell battery; empty charging case weighs 6.8 oz. Solar panel recharges 1 double-cell battery in 2 - 5 days, depending on solar conditions; battery can be recharged via the included plug-in power adapter in 4 - 6 hrs. SteriPEN Opti features an optical water sensor that detects whether or not the device is in water and only allows the UV lamp to activate when the SteriPEN is immersed. After pressing the button to activate the SteriPEN, immerse the lamp and optical sensor; the UV lamp will then activate and emit UV light and visible blue light. Optical sensor doubles as a backup LED flashlight that can be handy when walking to the stream to get water; operate flashlight with SteriPEN cap in place to protect the lamp. Adventurer Opti requires no pumping, chemicals, test strips, extended timekeeping or filters; leaves no aftertaste, will not clog and does not require lubrication. Innovative SteriPEN system uses UV light rays instead of chemicals to purify water for drinking. Ultraviolet (UV-C) light rays safely sterilize clear water by destroying 99.99% of protozoa (including Giardia and. Long used by municipal water districts and bottling companies, low-level UV-C light treats water safely; plus, unit's light will not damage eyes or skin when used properly. SteriPEN protects you from risks that cause botulism, cholera, dysentery and typhoid, just to name a few.
Fast, easy, and effective, the lightweight Adventurer Opti provides protection from waterborne illnesses using ultraviolet (UV) light. Solar charging case keeps you purifying on long expeditions.
The smallest, lightest SteriPEN , the AdventurerOpti Water Purifier uses a revolutionary optical eye to sense the water. The patent-pending technology provides safe use and the standard insulating sleeve around the UV lamp allows purification in even the coldest of waters. Fast, light, easy and effective, the AdventurerOpti provides the ultimate protection from waterborne illnesses. Giardia, cryptosporidium, bacteria and viruses are all destroyed in seconds-by SteriPEN UV light. The UV lamp provides up to 8,000 one-liter treatments. UV purification works as the ultraviolet energy emitted by the light is absorbed by the cells of the microbe, preventing cell enzymes from 'reading' its DNA. Without intact DNA, microbes can't reproduce to make you sick. The process is simple but effective, destroying over 99.9 percent of harmful microorganisms. Great for camping, hiking and backpacking.The SteriPEN Adventure Opti system uses UV light rays instead of chemicals to purify water for drinking. Ultraviolet light destroys 99.99% of protozoa (including Giardia and Cryptosporidia), bacteria and viruses. The AdventurerOpti purifies 0.5 L (16 oz.) in 48 seconds and 1.0L (32 oz.) in just 90 seconds.The optical water sensor detects if the purifier is in water allowing the UV light to activate when the SteriPEN is immersed. The optical water sensor doubles as a handy LED flashlight when you need water at night.Easy to use 1 button operation; LED light quickly indicates when ready to purify, then place the pen like lamp in clear water and stir until indicator light turns green.Dirty water should be pre filtered until clear prior to treatment. The UV lamp provides up to 8,000 one liter treatments. Device works with containers with minimum 1.75 in. diameter opening (ie Nalgene wide-mouth bottles).Low power indicator lets you know when batteries need replacing.Automatic shut off when treatment is complete.Includes black neoprene case with belt loop, double cell rechargeable battery, solar charger case and AC adapter. Size: 15.5cm. (6.1in.) x 3.3cm. (1.5in.) x 2.2cm. (1.0in.)Weight: 103g/3.6 oz. with batteries
SteriPEN Adventurer Opti
SteriPEN Adventurer with Solar Charger
SteriPEN Protector Opti
MSR Guardian Purifier
Potable Aqua Pure
$100 - $119
Platypus Meta Bottle + Microfilter
$25 - $49
MSR SweetWater Purifier System