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Understanding Solar Module Specs and Testing

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.

LED Lights and Eye Safety

This Eco Design Note examines safety issues related to LED lights and the consumers who use them. Specifically, it explores three basic questions: Can off grid LED lights be too …Read More

Household Lighting Fuel Costs in Kenya

This Market Intelligence Note presents empirical data from the 2005/06 Kenya Integrated Household Budget Survey on the expenditure for lighting fuels and the adoption of solar home systems among Kenyan …Read More

Lithium-ion Battery Overview

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.