This Technical Briefing Note is Part IV in a series of Notes examining the environmental durability of pico‐powered lighting products. Part IV focuses on solar radiation and its effect on plastics used in product housings and wiring assembles.

This document was produced by Lighting Global Quality Assurance. In February 2020, Lighting Global Quality Assurance evolved to become VeraSol, an independent program offering quality assurance services for solar energy kits and off-grid appliances.