Agriculture
August 27, 2019
Updated on August 25, 2019
·Created on October 3, 2018
Hand-held, portable solar powered lamp.
Little Sun Original is a hand-held, portable solar lamp designed to charge during the day and be used at night. It is equipped with a dimmer to allow for users to adjust the brightness of the lamp to what you need. 5 hours of charging in the sun produces more than 50 hours of light at the dimmest setting or 4 hours of use at the brightest setting.
Distributors / Implementing Organizations
Local select stores globally.
Manufacturing/Building Method
Mass produced
Intellectural Property Type
Trademarked
User Provision Model
Little Suns are sold at a higher price in higher-income areas of the world while the product is sold in off-grid areas at much lower, locally affordable prices. The lamps are available in Little Sun's Online Store (US and Europe only) and in select stores in all parts of the world.
Distributions to Date Status
661,578 as of 2018.
Lamp type
LED
Number of light points
1
Total light output (lumens)
Low: 2 lumens, high: 30 lumens
Multiple brightness settings (yes/no)
Yes
Light duration on single charge (hr)
Low: 50 hours, high: 4 hours
Mobile charging (yes/no)
No
Power source
Solar Panel
Battery type
Lithium Iron Phosphate
Peak power rating (Wp)
0.5 Wp
Battery capacity (kWh; mAh)
400 mAh
Battery nominal voltage (V)
3.2 V
User replaceable battery (yes/no)
No
User replaceable light (yes/no)
No
Design Specifications
Lamp dimensions: Diameter 12 cm, depth 2,9 cm. Weight: 96 g. Solar panel: 60 by 60 mm monocrystalline silicon, 4.4V, 0.5W. Battery:Â AA LiFePO4, 3,2V rechargable battery with 400 mAh. LED:Â Samsung, Colour: 4500K, slightly yellow. Light output and duration:Â Charging Little Sun Original for a minimum of 5 hours in the sun gives you 4 hours bright light (25lm); or, use dimmer to get the most out of your Little Sun (up to 50 hours or more at lowest level, 2lm)
Technical Support
Replacement Components
Lifecycle
Battery has a lifespan of 5 years if used daily.
Manufacturer Specified Performance Parameters
Unknown
Vetted Performance Status
Lighting Global has vetted the following performance parameters; 1. Truth in Advertising 2. Lumen Maintenance 3. AC-DC Charger Safety 4. Battery Composition, Battery Protection, Battery Durability. 5. Physical Ingress Protection 6. Water Ingress Protection 7. Drop Test 8. Soldering and Electronics Workmanship 9. Mechanical Durability 10. Minimum Warranty Terms 11. Performance Reporting
Safety
Follow proper electrical installation and control guidelines.
Complementary Technical Systems
None
Academic Research and References
Marc J, Olafur E et al (2015) Citing the Sun, Fashion Theory. Volume 19, Issue 3, pp. 315-330
Natalia S, Justyna M. P (2016) The Review of the Selected Challenges for an Incorporation of Daylight Assessment Methods into Urban Planning in Poland, World Multidisciplinary Civil Engineering-Architecture-Urban Planning Symposium 2016 (WMCAUS 2016)Â
Compliance with regulations
Little Sun Original has complied with the Lighting Global Quality Standards, and has been tested according to the Quality Test Method stipulated in the IEC 62257 - 9 -5 Standard.
Other Information
None
Agriculture
August 27, 2019
Agriculture
August 27, 2019
Agriculture
August 18, 2020
Agriculture
September 20, 2023
Implemented by
Mono Pumps
Agriculture
August 24, 2019
Agriculture
August 18, 2019
Agriculture
September 9, 2019
Agriculture
September 30, 2019
Agriculture
September 14, 2019
Agriculture
October 5, 2020
Have thoughts on how we can improve?
Give Us Feedback