5–10 Year Warranty, On Every System

We back every component we install — because solar is a decade-long relationship, not a one-time sale.

What's Covered

Every YST Energy installation is backed by a comprehensive warranty covering manufacturing defects and installation workmanship. Coverage duration depends on the specific component, as outlined below.

Component
Warranty Period
Covers
Solar Panels
10 years
Manufacturing defects, performance degradation beyond rated tolerance
Inverter
5 years
Manufacturing defects, component failure under normal use
Lithium Battery
5–8 years
Manufacturing defects, capacity loss beyond rated cycle life
Installation Workmanship
1 year
Wiring, mounting, and installation-related issues
Note:

Exact warranty terms are confirmed in writing at the time of purchase and may vary slightly by product brand and package tier. Your sales representative will provide your specific warranty documentation before installation.

What's Not Covered

Power Surges

Damage from external electrical surges not caused by the system itself.

🌊

Flood / Fire Damage

Damage from natural disasters, flooding, or fire outside normal operating conditions.

🔧

Unauthorized Modifications

Issues arising from repairs or modifications by non-YST technicians.

📉

Normal Wear

Expected gradual capacity reduction within manufacturer-rated tolerances.

How to Make a Warranty Claim

Contact our team via WhatsApp or phone with your installation reference number and a description of the issue. Our technical team will schedule an assessment visit, and confirmed warranty-covered repairs are carried out at no cost to you.

Questions About Your Warranty?

💬 Ask Us on WhatsApp