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Welcome to our Frequently Asked Questions (FAQs) page. Here you will find:

If you have a question that isn't answered here, please contact us.


What do you do?

fosera. is a German manufacturer of solar home systems for off-grid rural electrification. A good place to start is here.


Where are you located?

Our main headquarters is located in Ulm, Germany. Our manufacturing facility is located in Thailand. We also operate a local assembly in Bahir Dar, Ethiopia.

What kind of products does Fosera produce?

fosera. produces two main product lines:


3.2V systems that power light, radio and phone charging


12 V systems that power light, radio, phone charging, TV, fan, refrigeration and more!

Where can I find fosera. products?

We proudly work with distribution partners who sell our products throughout Africa, Asia and Latin America. Interested in distributing with us? Contact our sales team


Why fosera?

Fosera can offer a broad portfolio of solutions, which can be fitted perfectly to your needs, with co branding, customized system configuration or even co development of features

With fosera. you‘ll have a strong and reliable technology partner, which can provide you with outstanding quality systems.

As a pure manufacturer, fosera. prides itself in supporting distributors in their local operations through effective project support and competitive product offerings.


Which type of battery do you use?

At fosera we always use Lithium iron phosphate batteries (LiFePO4) due their safety when used under high temperatures and are safer compared to common alternatives on the market which can be flammable under certain circumstances. LiFePO4 batteries use phosphates and avoids cobalt's cost and environmental concerns. And also we chose LiFePO4 batteries because of their long lifespan.

Are your systems available as Pay-As-You-Go (PAYG)?

Yes! Our systems are offered both on a cash sales basis and can be sold over PAYG. fosera. is currently integrated with PaygOps, Paygee and Angaza.


Are your products Verasol (before Lighting Global) certified?

They are, you can find out about our Verasol-certified products and access the test reports here.


Can we personalize our systems with a specific design?

We can offer co-branding service. Contact our sales team.


Do you have any specific conditions for any new partner who is willing to work with you?

We are happy to exchange with any company that has a project of distribution of Solar Home Systems. More than specific conditions requested we prefer to assist by giving advice. Contact our sales team.