SunPower TCL Solar 475W Solar Panel

The SunPower TCL 475W Solar Panel is a fixed, residential-format module listed with N-type back-contact cell technology. Its high-wattage format is intended for compatible rooftop and engineered solar systems where the panel’s voltage, current, dimensions and mounting requirements have been checked before purchase.

Important compatibility note: this is not a nominal 12V panel. Based on the electrical values currently associated with this listing, it requires a compatible solar inverter or high-voltage MPPT controller and must never be connected directly to a battery.

Why Consider a 475W Back-Contact Panel?

• 475W nominal power rating
• Back-contact cell layout with no front-side busbars
• Compact residential-format dimensions for its listed wattage
• Suitable for compatible residential, commercial and purpose-designed off-grid arrays
• Fixed framed construction for permanent mounting

Electrical Specifications

Verification required: the values below reproduce the technical information currently associated with this Shopify listing. The product variant does not currently contain a manufacturer model number or SKU. Confirm every value against the physical module label and written datasheet for the supplied panel before designing a string, choosing an inverter or selecting an MPPT controller.

Real-world output will be lower or higher than instantaneous expectations depending on sunlight, cell temperature, orientation, shading, soiling and complete-system losses. Do not use the 475W rating alone to estimate daily energy production.

Listed Mechanical Details

• Cell type: 182mm N-type back contact
• Cell layout: 54 cells, listed as 6 × 9
• Dimensions: approximately 1757 × 1134 × 30mm
• Weight: approximately 20.5kg
• Front glass: 2.0mm heat-strengthened, anti-reflective coated glass
• Backsheet: white
• Frame: anodised aluminium alloy
• Junction box: IP68 with three diodes
• Connectors: listed as Stäubli PV-KST4 EVO / PV-KBT4 EVO
• Mechanical load: listed as +5400Pa front / -2400Pa rear

Measure the available mounting area and confirm the actual panel dimensions, connector type, weight and clamp zones from the supplied documentation before installation.

System and MPPT Compatibility

Use the module’s verified Voc, Isc, Vmp and Imp—not only its wattage—to select compatible equipment. Calculate the maximum cold-condition open-circuit voltage across the complete series string and confirm that it remains below the inverter or MPPT controller limit. Also check input-current limits, string configuration, cable rating, isolation and over-current protection.

Installation, mounting and electrical work must follow the supplied manufacturer instructions and applicable Australian requirements. Do not mix connector types unless the manufacturer explicitly approves the connection.

Residential and Off-Grid Use

This panel can suit a compatible rooftop array or a purpose-designed off-grid system, but it is not a direct replacement for a nominal 12V caravan panel. Off-grid buyers should confirm that their controller accepts the panel’s voltage and current, including cold-weather Voc, before ordering.

Warranty and Exact Model Confirmation

Warranty periods and registration requirements can vary between SunPower, TCL and specific model families. Because this variant currently has no model number or SKU recorded in Shopify, confirm the exact product label and obtain the written product and performance warranty for the supplied panel before relying on a particular manufacturer warranty term.

Compare Related Solar Panels

Browse the main SunPower solar panel collection for TCL, Performance and Maxeon options. Compare the 450W SunPower Performance 7 all-black panel, the larger 550W Performance 7 commercial panel, or view all fixed solar panels.

Frequently Asked Questions

Is this a 12V solar panel?

No. The currently listed operating and open-circuit voltages are substantially above nominal 12V-panel values. It requires a compatible inverter or MPPT controller and must not be connected directly to a battery.

Will it produce 475W all day?

No. The rating is measured under standard test conditions. Actual output changes with irradiance, panel temperature, angle, shade, cleanliness and system efficiency.

What should I verify before ordering?

Confirm the exact model number, physical dimensions, connector type, Voc, Isc, Vmp, Imp, maximum system voltage, warranty and compatibility with the planned inverter or controller.

Is back-contact technology the same as SunPower Performance 7?

No. Performance 7 uses a shingled N-type TOPCon architecture. A back-contact panel uses a different cell and conductor arrangement. Compare the exact model specifications rather than treating the two product families as interchangeable.