Zero CO2


RMA request

Fill in this document to find out the reasons for the return and authorise it if applicable.

RMA request Form

This form is to be completed exclusively by the direct Master Battery customer. If you are a private customer, please contact your distributor for this procedure.

This service is exclusively for purchases made at Master Battery. We will not respond to requests for products outside of our brand.

For the shipment of equipment, please refer to the document:

No material that does not comply with these requirements will be accepted.

Master Battery offers warranty on all its products as stipulated in each of them and is responsible for the repairs of the same within this period. If the failure is due to a cause external to the product, such as misuse of the product or a defect in the installation, we offer the possibility of repair at the expense of the requesting customer.

For more information, see the document:

Failure to complete the form in full will not validate this RMA request.

Master Battery Customer Data

Delivery Data of Repaired Equipment

Equipment Data

Equipment Error

* Required fields



This document must be duly completed and sent together with the purchase invoice of the product for review.

The delivery and collection of the equipment will be at the customer's expense.

In case of failure outside the 2-year warranty period against factory defect, or in the event that the product has no fault, a cost of €40 + VAT will be applied for the revision of the inverter. In the case of batteries, the warranty is for 1 year and a cost of €40 + VAT will be applied for revision/analysis, except for lithium batteries, the cost of the revision is €60 + VAT.

You can request information on +34 918 021 649, it is necessary to have the model of the equipment to be able to provide you with the correct attention.

If the purchase invoice or delivery note is not presented to Master Battery, no assessment will be made.

Once all the data is checked to ensure that it is correct and that the assistance is appropriate, you will be assigned an RMA number and instructions for the shipment of the equipment. This communication will be made by e-mail, so make sure that this is correct.


Consult the document:

Master Battery informs you that the personal data you provide us with by filling in this form will be processed by Master Battery, S.L. as the party responsible for this website. The purpose of the collection and processing of personal data that we request is to send you our publications, product promotions and / or services and exclusive resources. The legitimation is through the consent of the interested party. We inform you that the data you provide will be stored on the servers of ANW (hosting provider), located in Spain. Failure to enter the personal data that appear on the form as compulsory may result in us not being able to deal with your request. You may exercise your rights of access, rectification, limitation and deletion of data on as well as the right to lodge a complaint with a supervisory authority. You can consult additional and detailed information on Data Protection in our privacy policy.