The typical warranty period for residential solar batteries generally ranges between 10 to 12 years, with many manufacturers offering standard warranties of 10 years. This duration often includes a 70% end-of-warranty capacity guarantee, meaning that at the end of the warranty period, the battery should still retain at least 70% of its original capacity.
Warranty Variations
- Standard Warranties:
- Most commonly, residential solar batteries come with a 10-year warranty. This is the industry standard, and some brands may extend this to 12 years or even 15 years for specific models.
- Cycle and Throughput Clauses:
- Warranties often include clauses related to cycles (the number of charge and discharge cycles a battery can undergo) or throughput (the total amount of energy the battery can store and release). For instance, a typical cycle warranty might cover around 6,000 cycles, which can affect the overall warranty period based on usage.
- Extended Warranties:
- Some manufacturers, such as Solar Insure, are introducing longer warranties, like a 30-year warranty, which includes parts, labor, and diagnostics for issues, as well as battery replacement if capacity falls below 50% between years 11 and 30.
- Notable Exceptions:
- It’s important to note that many warranties do not cover shipping or labor costs associated with the installation of new equipment or replacement parts, so homeowners should review the terms carefully.
Summary Table
| Warranty Duration | Battery Capacity Guarantee | Typical Cycles Covered | Note on Labor/Shipping |
|---|---|---|---|
| 10 years | 70% | ~6,000 cycles | Excludes labor/shipping |
| 12 years | 70% | Varies by model | Excludes labor/shipping |
| 30 years (new) | Below 50% capacity | Varies by model | Includes labor/shipping |
In conclusion, while 10 years is the most common warranty period for residential solar batteries, homeowners may find variations depending on the specific product and manufacturer. For those considering a solar battery investment, understanding the warranty terms, especially regarding cycles and throughput, is essential for ensuring long-term satisfaction and performance.
Original article by NenPower, If reposted, please credit the source: https://nenpower.com/blog/what-are-the-typical-warranty-periods-for-residential-solar-batteries/
