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This Technical Note discusses how solar module performance characteristics relate to off‐grid lighting systems and how to best assess module performance by measuring the current‐voltage (I-V) performance curve.

This Technical Note compares several existing and emerging lithium-ion battery technologies and provides an overview of the safety issues involved in designing products with lithium-ion batteries.

This Technical Note describes ways that sealed lead-acid (SLA) batteries can fail during storage and shipping and suggests steps that manufacturers can take to prevent damage to their SLA products…

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 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…

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…

Poor thermal management can lead to early LED product failure. This Technical Note discusses thermal management techniques and good system design. (LED manufacturers should serve as the primary guide for…