Updated on May 21, 2024


Created on August 31, 2021

Encore Player MP3

A solar-powered radio with phone charging capabilities. Courtesy of WHO Compendium 2021

Developed By Unknown
Content Partners


Product Description

Encore Player MP3 is a solar-powered radio with the ability to charge a mobile phone. The radio also includes a task light. As a power backup, the unit can also be manually powered using a winding mechanism.

This product was selected for inclusion in WHO’s 2021 Compendium of Innovative Health Technologies for Low‐Resource Settings.

Target SDGs

SDG 3: Good Health and Well-Being

SDG 4: Quality Education

Market Suggested Retail Price


Target Users (Target Impact Group)


Distributors / Implementing Organizations

Freeplay Energy, UNICEF

Competitive Landscape

Direct competitors include d.Light D180 and Azuri 10W Quad Solar Home System.

Manufacturing/Building Method

The radios are manufactured in China. Components include external solar panel, an 8GB SD card, aerial kit, and mobile phone charging kit, among others.

Intellectural Property Type


User Provision Model

Direct sales

Distributions to Date Status


Design Specifications

Encore Player MP3 can be powered with either a solar panel or hand-crank mechanism. The main components of the radio include the external solar panel, an 8GB SD card, aerial kit and mobile phone charging kit. SD cards can be pre-loaded with educational content for users. The radio is designed to be portable and includes a handle for carrying.

Product Schematics

Technical Support

Provided by the manufacturer

Replacement Components



5-10 years

Manufacturer Specified Performance Parameters

Designed for use in off-grid communities

Vetted Performance Status

Encore Player MP3 has been tested and certified for a number of standards, including audio and visual quality.


No known safety hazards are related to this product

Complementary Technical Systems

An external solar panel can be used to power the device

Academic Research and References

Yildiz, F., 2009, Potential Ambient Energy-Harvesting Sources and Techniques, Journal of Technology Studies, 35, pp. 40-48

Compliance with regulations

SGS, EN 55013, EN 55020/A11, EN 55015, EN 61547, EN 61000-3-2/A1/A2, EN 61000-3-3

Evaluation methods

Performance testing

Other Information


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