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Product specifications, pricing, and availability are subject to change without notice. We make no warranties regarding product performance, longevity, or suitability for your specific needs.
Always verify specifications with the manufacturer and installer before purchase. Warranty terms are set by manufacturers and may have conditions not disclosed here. Battery performance degrades over time.
Winaico
Manufacturer Profile
Winaico's Gemini is the Taiwanese manufacturer's N-type TOPCon residential range. Winaico carries a 15-year product warranty, longer than most panel brands sold in Australia. Winaico is a Taiwanese manufacturer with conservative power ratings (which tend to under-promise nameplate output) and heavy-gauge frame construction. For Perth homeowners, the Gemini pairs Taiwanese manufacturing with Winaico's dedicated Australian office for warranty and installer support.
Based on Perth average of 5 peak sun hours/day (BOM) with 15% system derate. Actual output varies by roof orientation, tilt, shading, and temperature.
Typical 6.6kW system
28.1 kWh/day
~10238 kWh/year
Typical 10kW system
42.5 kWh/day
~15513 kWh/year
Annual savings (6.6kW)
$3314/yr
At $0.323719/kWh Synergy A1
STC rebate (6.6kW)
~$1820
Zone 3 (Perth), ~$39.9/STC
| Model | Power | Efficiency | |
|---|---|---|---|
| WST-540NGX-D3 (IEC 61215-2021) | 540W | 24.0% | Details |
| WST-535NGX-D3 | 535W | 24.0% | Details |
| WST-535NGX-D3 (IEC 61215-2021) | 535W | 24.0% | Details |
| WST-530NGX-D3 | 530W | 24.0% | Details |
| WST-530NGX-D3 (IEC 61215-2021) | 530W | 24.0% | Details |
| WST-525NGX-D3 | 525W | 24.0% | Details |
| WST-525NGX-D3 (IEC 61215-2021) | 525W | 24.0% | Details |
| WST-520NGX-D3 | 520W | 23.9% | Details |
| WST-450NGX-D3 (IEC 61215-2021) | 450W | 23.0% | Details |
| WST-445NGX-D3 (IEC 61215-2021) | 445W | 22.8% | Details |
| WST-440NGX-D3 (IEC 61215-2021) | 440W | 22.5% | Details |
| WST-435NGX-D3 | 435W | 22.3% | Details |
| WST-435NGX-D3 (IEC 61215-2021) | 435W | 22.3% | Details |
| WST-430NGX-D3 | 430W | 22.0% | Details |
| WST-430NGX-D3 (IEC 61215-2021) | 430W | 22.0% | Details |