2-year product warranty

TESVOLT guarantees that the product (TESVOLT Battery Cabinet with TESVOLT Battery Management System, Li and TLC) will have no material defects or defects in workmanship for a period of 2 years from the original purchase.

10-year performance guarantee

This guarantee is an additional voluntary benefit offered by TESVOLT and covers the capacity of the energy storage system, in particular of the lithium batteries.