Updated on January 15, 2024


Created on August 27, 2015

A-Light S

Upcoming Update

A solar-powered LED lamp.

Developed By
  1. Ambros Huber
Content Partners


Product Description

A-Light S is a LED lantern with solar charging capabilities intended for multipurpose lamp use.

The development started as a collaboration of Ambros Huber with the Agency for International Development Solar Project Freilassing E.V.. The production is now carried out by Ambros Huber .

Target SDGs

SDG 7: Affordable and Clean Energy

SDG 8: Decent Work and Economic Growth

Market Suggested Retail Price


Target Users (Target Impact Group)


Distributors / Implementing Organizations

Development is carried out by A-Light S. Implementation is done in partnership with various non-profits, for example INTERSOL-Exkursion in 2011.

Manufacturing/Building Method

The production of the A-Light S is carried out by the company Ambros Huber Kunststofftechnik. Purchased parts are - when possible - based in Germany or Europe.

Intellectural Property Type

Select Type

User Provision Model

Product can only be ordered from the A-Light S website. It can be shipped fully assembled or with a do-it-yourself construction kit. A user manual, flyer, and cellphone charge manual are all available online.

Distributions to Date Status

4000 units have been distributed, as of August 2016.Interview with representative

Lamp type


Number of light points


Total light output (lumens)

Low: 10 lumens, medium: 80 lumens, high: 180 lumens

Multiple brightness settings (yes/no)


Light duration on single charge (hr)

Low: 120 hours, medium: 14 hours, high: 6 hours

Mobile charging (yes/no)


Power source

Solar panel

Battery type

Lithium ion

Battery capacity (kWh; mAh)


Battery nominal voltage (V)


User replaceable battery (yes/no)


User replaceable light (yes/no)


Design Specifications

Components • Battery capacity: 4400 mAh (Battery is a rechargeable lithium-ion battery). • Nominal voltage: 3.7 V • Foldout hanger • Microprocessor controlled hardware with various protection features • Schockproof and watertight housing according to IP67 • Product Dimensions (cm) (LxWxH): 7.0 x 8.0 x 14.5 • Weight (kg): .24

Product Schematics

Technical Support

Operation Manual available online. A Light S also provides contact information on the website.

Replacement Components

Provided by A-Light S.


A-Light S suggests the user to send back the lamp with the solar panel for disposal since they may not be disposed of in municipal waste. Warranty specified in user manual, however no duration is given. Lifetime depends on usage and is possible up to 10 years.interview with representative

Manufacturer Specified Performance Parameters

Performance Targets • LED: Cree Xlamp, 2 Watts, 180 lumen • Battery: lithium-ion, 3.7 V, 4400 mAh: 80% charged in 4 hrs of direct sunlight • 3 Brightness levels:

  • 180 lumens for 6 hrs
  • 80 lumens for 14 hrs
  • 10 lumens for 120 hrs
• Battery charge indicator • Highly durable design: shockproof and waterproof • Wide viewing angle for uniform room illumination • Amortization period 1.27 year

Vetted Performance Status



No listed hazard.

Complementary Technical Systems

A-Lights S offers a list of accessories to accommodate the panel and light, including a DC charger and an AC charger, and a USB voltage converter and adapter to charge mobile devices.

Academic Research and References

Chen, W., Lemes, A., Moorthy, A., Strickland, L., Zhu, Y., Renewable energy at the base of the pyramid in Haiti [Internet]. Ann Arbor (MI): University of Michigan; 2014 Apr 22 [cited 2015 Jun 10].

Solanki, C.S., Mudaliar, S., Strategies to target rural PV market in developing countries – a perspective. PVSC. 2010 Jun 20-25;35:2392-2396.

A-Light S (Ambros Huber). 2015. Participation in “Empowering People. Award” from the Siemens Foundation. A-Lights.de. A-Light S (Ambros Huber). February 22, 2015.

About Us | A-Light S. n.d. A-Light S (Ambros Huber).

A-Light S (Ambros Huber). n.d. User Manual. A-Lights.de. Germany: A-Light S (Ambros Huber).

A-Light S (Ambros Huber). n.d. Specifications. A-Light S (Ambros Huber).

Contact | A-Light S. n.d. A-Light S (Ambros Huber).

A-Light S (Ambros Huber). n.d. A-Light S Flyer. A-Lights.de. Germany: A-Light S (Ambros Huber).

De Rooij, Dricus . n.d. IP Ratings for Solar Junction Boxes: IEC 529, IP 65, IP 67. sinovoltaics.com. SinoVoltaics.


Compliance with regulations

IP67 standard.

Evaluation methods

Field Trials.

Other Information

For larger projects, the A-Light S can also be supplied in kit and assembled in Solar local workshops. Due to the frequent demand and the expected reduction in manufacturing costs due to higher volumes, the A-Light S exists in a slightly modified version for private clients: The M-Lumi.

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