A new approach to installation
The TESVOLT Service app

We support you – wherever you are

When it comes to installing our products, your customers can rely on you. For the commissioning of all TESVOLT energy storage systems, you now have digital support: the new TESVOLT Service app for smartphones. The app guides you through the installation process for our systems on the spot during commissioning.

All the benefits at a glance

How it works


Whether you’re looking for webinars or certification training, technical design with our TESVOLT project planner, storage system planning, quote generation and ordering with the TESVOLT product configurator, or a direct line to your contact – you can find all our tools and the Service app in our Partner Portal

For TESVOLT partners

Already have access to our Partner Portal? Then simply log in directly and discover the new Service app!

Partner Portal login

Not a TESVOLT partner yet?

Are you an installer, and are you interested in our new Service app but don’t yet have access to our Partner Portal? Then make sure you sign up today!

Partner Portal registration

Good to know: the TESVOLT Service app is available for our certified partners in the Partner Portal. It is still possible to fill out paper documents by hand.