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Extended warranty

For energy storage system SUNSYS HES L

Warranty extensions are available to provide a total warranty of 5 to 10 years for your battery or the complete storage system, depending on your needs. It includes the corrective maintenance of your guaranteed items (parts included) as well as a follow-up of your requirements.

The advantages of Extended warranty

Full coverage

Benefit from an extended manufacturer’s warranty of up to 10 years, depending on your needs.

Controlled budget

You know the price of the warranty extension from the outset and, with just one payment, you can therefore avoid unforeseen costs.

Battery performance guarantee

The warranty extension includes a performance warranty on the battery. This is the warranty of a DC residual energy level depending on the battery use.

Speed of intervention

In the event of a breakdown, our experts provide you with a rapid response: within 1 day for initial telephone support and within 1 week for an on-site visit, if this is required.

How the Extended warranty works

What does the extended warranty cover?

Corrective maintenance of the complete system (repair or replacement of defective parts), including parts replaced, the labour on site as well as travel and accommodation costs*
Battery performance guarantee
Assistance from our team of experts in the event of a problem, with a response as soon as possible.

What conditions must be met in order to benefit from this cover?

For the warranty to be valid, a preventive maintenance contract must be drawn up. It is also mandatory to have a remote system connection allowing access to historical battery data.