Lithium-ion Batteries Part I: General Overview and 2019 Update

This Technical Note is a 2019 update on the current state of lithium-ion (Li-ion) battery technology. It describes the basic functional elements of Li-ion battery cells, compares several existing and emerging lithium-ion battery technologies, and provides a brief overview of safety, testing, and transportation issues involved in designing products with lithium-ion batteries. This Technical Note … Read More

USB Charging Performance of Off-grid Products

In 2018, as part of ongoing efforts to bolster the off-grid solar market, Lighting Global Quality Assurance investigated the USB charging performance of off-grid solar products. Laboratory tests were conducted to assess the USB compatibility and charge times of product combinations. The testing demonstrated both successful charging performance and also identified problems that may occur … Read More

Lighting Global Quality Standards: A Guide to Complying with Consumer-Facing Information Requirements

This compliance guide details the consumer-facing information that pico-solar and solar home system kit manufacturers must include in order to meet the Lighting Global Quality Standards. It is intended for marketing and communications professionals who may have limited familiarity with the Lighting Global Program and/or the Lighting Global Quality Standards.   On April 11, 2019, Lighting Global … Read More

Procurement of Stand-alone Solar Kits for Humanitarian Aid

This Technical Note provides guidance on procuring pico-solar and solar home system (SHS) kits for humanitarian aid. It presents the relevance of the Lighting Global Quality Standards, key procurement considerations, and a step-by-step procurement guide.

Quality Matters

In 2017, Lighting Global tested 17 top-selling, non-quality verified solar products from retail stores in Ethiopia, Kenya, Myanmar, Nigeria, and Tanzania. All 17 products failed to meet Lighting Global Quality Assurance (QA) standards for pico-PV products, which test for energy efficiency, product durability, and other factors important to off-grid consumer experience. Results indicate that non-quality … Read More

Human Health: LED Lighting, Insects, and Wavelength

This article examines the issue of insects attracted to lights in the nighttime environment and the risk to people from insects carrying diseases. A review of the current understanding is given, along with possible ways to reduce attraction, in the context of LEDs used in off-grid lighting products.  

Avantages de l’harmonisation des méthodes de test et des normes de qualité

Cette Note technique explique l’importance et les avantages de l’harmonisation au niveau international d’un cadre d’assurance qualité pour les produits solaires photovoltaïques de petite dimension, dits pico-photovoltaïques (pico-PV). Les avantages sont décrits pour les groupes spécifiques de parties prenantes, et le résumé du cadre d’assurance qualité de Global Lighting est fourni à titre de référence.

Benefits of Harmonizing Test Methods and Quality Standards

As the worldwide demand for pico-PV products increases, internationally harmonized quality standards support sustainable market growth and ensure that consumers have access to reliable off-grid energy services. Lighting Global has established the most widely recognized and robust quality assurance framework for pico-PV products in the world, which is well positioned to serve as the foundation … Read More

USB Smartphone and Battery Charging

This Technical Note discusses USB charge port specifications and how they apply to renewable energy products. It is intended as an introduction and resource for manufacturers and other industry stakeholders on the history and application of complex USB technical standards as they pertain to mobile device battery charging.

Battery Testing for Off-grid Solar Products

This Technical Note discusses battery testing of off-grid solar products seeking to meet Lighting Global’s Quality Standards. It gives an overview of battery failure issues and provides justification for the tests chosen by Lighting Global to evaluate battery performance and durability.