DESIGN NAME: Soli
PRIMARY FUNCTION: Solar powered light
INSPIRATION: The inspiration for Soli came from two principle areas: first it was inspired by Nokero's humanitarian efforts to provide off-grid lighting (and charging) to the 1.3 Billion people who live without grid electricity in energy poverty. Soli was created as a "buy one give one" business model aimed at developed economy users. The second inspiration came from understanding the real safety needs of students on University campuses after dark.
UNIQUE PROPERTIES / PROJECT DESCRIPTION: Soli is a multipurpose safety light and battery bank that can be charged both with its photo-voltaic solar panels and with a usb cable. The light can serve as an area lamp by standing upright (or hung) and as a conventional flashlight or mounted as a directional bicycle light. Altogether, Soli offers increased versatile utility from a comfortable, familiar form factor.
OPERATION / FLOW / INTERACTION: Soli can be charged by leaving it exposed to sunlight with the solar photovoltaic cells facing toward the sun. The front end of the light can be twisted to toggle the light on, both lamp mode, flashlight mode or flashing flashlight mode. The strap enables Soli to be hung from a caribiner in a tent or from a bag, back pack or ruck sack.
PROJECT DURATION AND LOCATION: The project began in November 2016 with Nokero which is based in Denver, Colorado, USA. After discussing options with them for a "buy one, give one" business model, similar to Warby Parker eye wear, we began to research user needs in lighting. By the spring of 2017 we developed several concepts which were tested. A final design was chosen in the fall of 2017. Soli was then used to help raise finances with the Vatican-based Laudato 'Si accelerator in December 2017. Nokero was one of 9 companies selected from an applicant pool of 300. Currently, Soli is in development.
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PRODUCTION / REALIZATION TECHNOLOGY: The main construction is extruded aluminum with machined caps. Lenses are molded poly carbonate and the straps are made from leather with aluminum rivets. Inside, is a circuit board connecting the solar photo-voltaic cells to a nimh battery which can both power the lights light emitting diodes or charge a mobile phone. Seven hours of outdoor lighting charge can fill the battery, or the battery can be charged with usb.
SPECIFICATIONS / TECHNICAL PROPERTIES: Width 30mm x Depth 120mm x Height 30mm
TAGS: solar lighting, solar charging, led lighting, humanitarian design, social design, sustainable design, safety
RESEARCH ABSTRACT: Soli was developed using professional Human-Centered Design methods to identify real human needs in lighting. We identified a need for safety lighting on University campuses, especially for young women going home after studying. The design of the Soli light was directly driven by these explorations. Soli was the result of balancing essential needs with as few features as possible. The result is a minimal design that fits with student and outdoor lifestyle enthusiast aesthetic preferences.
CHALLENGE: The most difficult part of this design challenge was to identify a form factor combining area lighting with a directional lighting. Alternative form factor concepts focused principally on a lamp format. Ultimately, the extruded rounded square proved the most versatile.
ADDED DATE: 2018-02-17 20:45:42
TEAM MEMBERS (2) : Brook Kennedy and Josh Tulkoff
IMAGE CREDITS: Image #1 Brook Kennedy and Josh Tulkoff
Image #2 Josh Tulkoff and Brook Kennedy
Image #3 Brook Kennedy and Josh Tulkoff
Image #4 Brook Kennedy and Josh Tulkoff
Image #5 Josh Tulkoff and Brook Kennedy
PATENTS/COPYRIGHTS: United States and International design and utility patents pending, along with copyrights and trademarks.
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