01 — Register at handover
Register in the BestSolar app or via your installer when the system is commissioned.
Coverage varies by product. Register at handover to activate the full period — and extend it when you need longer peace of mind.
| Product | Standard | Extendable | Notes |
|---|---|---|---|
| Residential batteries | 10 years | up to 15 years | Or a throughput / cycle limit, whichever comes first. |
| C&I / utility storage | 10 years | up to 20 years | Project-based; capacity-retention guarantee available. |
| Inverters | 5 years | up to 10 years | Extension available at registration or purchase. |
| PV modules | 12 years (product) | 25-year performance | Linear power-output warranty. |
| EV chargers | 3 years | up to 5 years | Covers parts and manufacturing defects. |
Indicative coverage — the binding terms are set out in the warranty document and apply per region.
Register in the BestSolar app or via your installer when the system is commissioned.
Retain your purchase invoice and system ID — they may be required for a claim.
Add an extension at registration or purchase to lengthen the coverage period.