The Original Eco Friendly & Sustainable Living Portal (since 2009)
energy-efficient headlamp, Tag
- Battery-Free Bosavi LED Headlamp Recharges Via USB Tue, 8 May 12, 7:30amTwo 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...