How do you disinfect water in an emergency situation? When I go backpacking, I bring along my SteriPEN Adventurer Opti, which is small, lightweight, and makes wilderness water safe to drink.

But what about something that is powered by human kinetic energy, rather than batteries? SteriPEN realized that it would be nice to have a water disinfecting system that isn’t reliant on batteries or another power source. Because when things get bad, who wants to be scrambling around for batteries?

I recently had the chance to put the SteriPEN Sidewinder to the test…check out the full review here: SteriPEN Sidewinder Review.