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This Technical Note covers methods for measuring lumen maintenance of LED-based off-grid lighting products, focusing on low-cost methods to evaluate a product’s ability to provide long-term lighting service.

This memo summarizes the feedback received regarding the draft Lighting Global reporting requirements as proposed to stakeholders in December 2014. Over the month-long comment period, nine stakeholders provided feedback, representing…

This Technical Note introduces basic concepts in electronic design for low power off-grid lighting products and suggests ways to improve power efficiency. It is intended for manufacturers and engineers.

This Technical Note introduces basic concepts in optical design for low power off-grid lighting products and suggests ways to improve optical efficiency. It is intended for manufacturers, distributors, and retailers.

This Technical Note discusses the original standardized specification sheets developed by Lighting Africa for uniform performance and quality reporting. Highlighting key portions of the format, this guide helps buyers use…

Thank you all for providing feedback on the draft Quality Standards for Solar Home System Kits. We received multiple comments from 20 different stakeholder organizations with a wide variety of…

This Technical Note discusses lighting product design from an energy and efficiency perspective. It is intended to help manufacturers design efficient, high performance products and avoid the false choice between…