d.Light D30 is a plug and play solar home system with Pay-As-You-Go functionality that includes a solar panel, mobile-charging battery pack, three solar lights with three wall switches, a portable torch and an FM radio.
d.Light D30 Solar Home Power system provides home lighting through an energy system composed of a solar panel, a Lithium-iron phosphate battery, three lanterns with wall switches and a portable torch. The device comes with USB output for universal charging of mobile phones and other electronic devices, such as the FM radio included in the kit. Designed by d.Light, and with a plug-and-play installation, it gives from 5 to over 17 hours of light when fully charged. It has Pay-As-You-Go functionality.
Goal 7: Ensure access to affordable, reliable, sustainable and modern energy for all.
Off-grid households and small business.
This Solar Home System is mass customized in d.Light’s four hubs in Africa, China, South Asia and the United States.
There is no information about the D30 Solar Home System, however, d.Light has sold over 20 million solar lights and power products in 62 countries through the four centers in Africa, China, South Asia and the United States, based on calculations done using d.light’s developing world sales and United Nations and International Finance Corporation research.
A video of a d.Light system case example in Kenya can be found.
Mobile money (specify), cable, keypad or other.
Service required for the product to work [Mobile data, SMS, voice, Internet, other]
Remote diagnostics or monitoring available
Design specifications include the 9 W Polycrystalline silicon solar panel, a Lithium-iron phosphate battery (3000 mAh and 6,4 V for the main unit; 1000 mAh and 3,7 V for radio, and 1500 mAh and 3,7 V for torch), 3 lights with wall switches (upgradeable to four lamps), a portable torch, the FM radio and a USB port for connecting to the battery box and charging mobile phones.
Over 5 years of lifecycle maintenance-free.
By 2020, d.Light aims to reach 100 million people.
When connected to the 9 Wp polycrystalline silicon module, the battery box powers the 3 lumens with high-brightness setting on a total lightning service of 5,6 hours/day and the high-bright torch on a total of 3 hours/day, resulting in a total light output of 360 lumens and 75 lumens, respectively. Total lightning service for this product is 2200 lumen-hours/solar-day for the four lightning points with high-brightness setting. 97% of the original output of the main lumens and 94% of the torch remain after 2,000 hours of run time.
Complete vetted performance in the Lightning Global assessment here.
This Solar Home System is a plug and play device, however, electrical installation and control guidelines provided by d.Light must be followed to avoid electrical shocks.
d.Light commercializes multiple solar products from solar lanterns to solar home systems.
d.light & IDinsight (2015). d.light Solar Home System Impact Evaluation.
Institute of Developing Economies (2015). Impacts of Solar Lanterns in Geographically Challenged Locations: Experimental Evidence from Bangladesh.
International Rescue Committee (2014). “Lighting the way: The role of handheld solar lamps in improving women’s and girl’s perceptions of safety in two camps for internally displaced people in Haiti.
William Davidson Institute (2013). Access to Clean Lighting and its Impact on Children.
This product meets the Lightning Global Quality Standards for Solar Home System Kits; valid until May 31, 2020.
Lightning Global verified this Solar Home System in the Shenzhen Academy of Metrology and Quality Inspection in China based on the following tests: drop test for torch and radio, switch and connector cycling, strain relief test, and physical ingress protection test. Water ingress protection was not tested for the main unit as it is meant for indoor use only. This battery box meets the Lightning Global Quality Standards for battery durability.
Results can be seen here.
d.Light has won several awards and recognition since 2007. All the details can be seen here.
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