Updated on September 18, 2019


Created on September 18, 2019

Saja Kiosk

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The Saja Kiosk is a portable solar-powered mobile phone charging station.

Developed By Unknown
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Product Description

The Saja Kiosk is a portable kiosk that uses mono crystalline solar cells to charge up to 50 mobile phones simultaneously. The kiosk is developed for individuals that want to start their own small business, offering a charging station that can also include advertising space and point-of-sale channels. It is developed and distributed by Saja Station in Nigeria.

Distributors / Implementing Organizations

The product is distributed by Saja Station, to small business owners that they refer to as "Sajarians".

Manufacturing/Building Method


Intellectural Property Type


User Provision Model

This product can be obtained directly from the manufacturer, by applying to be an owner of the Saja Kiosk.

Distributions to Date Status


Power rating (W or kW)


System dimensions (m)


Battery type


Battery capacity (mAh)


Description of solar panels


Grid compatibility (yes/no)


Description of mobility


Design Specifications

The Saja Kiosk utilizes roof-mounted mono crystalline solar cells, battery, inverter and charge control system to charge up to 50 mobile phones simultaneously. The kiosk is mounted on two wheels that can be used to move it from one location to another.

Technical Support

Technical support is provided from the manufacturer

Replacement Components




Manufacturer Specified Performance Parameters

The manufacturer claims that up to 50 mobile phones can be charged simultaneously, and can fully charge a phone in 120 minutes.

Vetted Performance Status



Safety considerations include those relating to shock from electrical circuits, particularly those not protected from water ingress.

Complementary Technical Systems


Academic Research and References

There are no papers citing the Saja Kiosk, however the following papers provide general information on solar charging stations for mobile phones:

Wyche, S., Murphy, L., 2013, Powering the cellphone revolution: findings from mobile phone charging trials in off-grid Kenya. Proceedings of the SIGCHI Conference on Human Factors in Computing Systems. pp 1959-68.

Louie, H., Shields, M., Szablya, S., Makai, L., Shields, K., 2015, Design of an off-grid energy kiosk in rural Zambia. 2015 IEEE Global Humanitarian Technology Conference (GHTC).

Compliance with regulations


Other Information

A short video showing the Saja Kiosk can be found here.

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