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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…
Shipping and Storage of Sealed Lead-Acid 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…
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.
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.
Protection from the Elements Part I – Ingress Protection
This Technical Note is Part I in a series of Notes examining the environmental durability of pico‐powered lighting products. Ingress Protection (IP) ratings are covered as they apply to the…
Protection from the Elements Part II – Drip Loops & Design
This Technical Briefing Note identifies a few basic design steps and user instructions that can protect pico-powered lighting products from early failures caused by water ingress. The use of drip…
Protection from the Elements Part III – Corrosion of Electronics
This Technical Briefing Note examines corrosion mechanisms common to electronic assemblies and summarizes conformal coating and potting technologies used to mitigate corrosive action in finished pico‐powered lighting assemblies.
Protection from the Elements Part IV – Radiation Exposure
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…
Battery Toxicity and Eco Product Design
This is the first in a series of Eco Design Notes. It provides a comparison of the hazards associated with the types of batteries that are commonly used in off‐grid…