Two years ago rock climber Dan Freschl quit his job as a battery engineer and set to work designing an environmentally friendly headlamp that didn’t rely on AAA batteries to function. After two years of work, the Bosavi headlamp is a reality. Bosavi features a custom-made, long lasting, USB-rechargeable lithium polymer battery, a 110 lumen high-intensity LED, and an intelligent design that affords user customization and better reliability. Additionally, Bosavi’s packaging reduces waste as it converts into an origami lantern that attaches to the headlamp and folds flat for travel. Dan has launched a Kickstarter campaign to support the first production run of headlamps. You can learn more about the Bosavi headlamp at, where you’ll find product details and specifications.

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The idea for Bosavi originated in California’s Joshua Tree National Park during a week-long climbing and camping trip in 2010. One evening, in the growing darkness, it became clear that not one of the 30 friends sharing camp had fresh batteries in their headlamp, and no one packed spare AAA batteries. So the friends pooled their dying lights to set up tents, cook dinner and build the fire.

That night Dan realized the need for a headlamp that could be recharged by a variety of power sources­, and he dedicated himself to not only creating an innovative product, but to doing so in a way that respected the environment. The result of meticulous design and testing, the Bosavi headlamp is an environmentally friendly product of industry-leading quality, and a tribute to what is achievable in the realm of DIY manufacturing.

+ Bosavi Headlamp Kickstarter