Product Overview & System Integration

This 445-485W single glass solar panel targets utility-scale grid-tied systems and heavy-duty off-grid C&I solar arrays. Built with high-density monocrystalline half-cells, the module reduces internal resistance and operating temperatures, minimizing hot spot risks in high-irradiance environments. It is engineered for native compatibility with major central and string inverters operating up to 1500V DC system voltage. Our China factory provides direct OEM support, including frame anodizing color modifications, custom cable lengths (up to 1200mm) for specific tracking structures, and direct-to-site EPC shipping logistics.

445-485w monocrystalline solar panel half-cell structure and IP68 junction box

Material & Technical Specifications

Product Name	445–485W Single Glass Solar Panel
Battery Cell Type	N-type GBC cell
Battery arrangement	108(2*54)
Glass	Front glass: 3.2mm tempered coated glass
Frame	Anodized aluminum alloy frame
Output wires	Customized Length
Weight	21.4 kg
Size	1800113430mm
Packing	37 pieces/pallet 222 pieces/120-foot flat rack container 888 pieces/40-foot high cube container 1036 pieces/13.5-meter flatbed truck 1332 pieces/17.5-meter flatbed truck
Safety Protection Rating	Class Ⅱ
Fire Rating	IEC Class C

solar panel factory el defect testing machine for 450w pv modules

Quality Control & Global Standards

Every 445-485W single glass solar panel undergoes rigorous, multi-stage factory inspections before export clearance. We enforce 100% pre-lamination and post-lamination EL (Electroluminescence) testing to detect micro-cracks, soldering defects, and dead cells. Production batches strictly adhere to TUV, CE, RoHS, and IEC 61215/61730 global standards. Flash testing IV curve reports are generated for each specific serial number, ensuring verified power outputs meet the rated specifications for large-scale EPC procurement auditing.

product-1520-71

product-551-240

Product Details

445–485W Single Glass Solar Panel Assembly Drawing Engineering Drawings (Unit: mm)

*Length: ±2mm Width: ±2mm

Single Glass Solar Panel

Electrical Performance Parameters (Under Standard Test Conditions)

Model	GK-1-54HTBD-425M		GK-1-54HTBD-430M		GK-1-54HTBD-435M		GK-1-54HTBD-440M		GK-1-54HTBD-445M
Test Conditions	STC	NOCT	STC	NOCT	STC	NOCT	STC	NOCT	STC	NOCT
Maximum Power (Pmax/W)	425	321	430	325	435	328	440	332	445	336
Open-Circuit Voltage (Voc/V)	38.30	36.27	38.49	36.46	38.68	36.65	38.87	36.81	39.06	36.98
Peak Power Voltage (Vmp/V)	14.15	11.41	14.23	11.48	14.30	11.53	14.37	11.59	14.44	11.65
Short-Circuit Current (Isc/A)	31.70	29.98	31.88	30.15	32.07	30.35	32.26	30.52	32.45	30.69
Peak Power Current (Imp/A)	13.41	10.71	13.49	10.78	13.57	10.81	13.65	10.88	13.73	10.95
Module Conversion Efficiency(%)	21.8		22.0		22.3		22.5		22.8

1. STC (Standard Test Conditions): Irradiance 1000 W/m², cell temperature 25°C, spectral distribution AM1.5

2. NOCT (Nominal Operating Cell Temperature): Irradiance 800 W/m², ambient temperature 20°C, spectral distribution AM1.5, wind speed 1 m/s

Load Capacity

Maximum Static Load (Front)	5400Pa
Maximum Static Load (Back)	2400Pa
Hail Test Passed	Diameter 25mm, Impact Speed 23m/s

Packaging & Logistics Safety

To guarantee zero damage during international ocean freight, we utilize export-grade wooden pallets specifically designed for single glass PV modules. Each 445-485W panel is separated by high-density corner edge protectors and entirely shrink-wrapped for maximum moisture resistance. A standard 40HQ container accommodates up to 864 panels, strategically braced and strapped with high-tensile steel banding to prevent internal shifting. This rigid packaging logic minimizes mechanical stress and micro-cracks during transit.

Typical Application Scenarios

The 445-485W series delivers high-yield ROI across diverse geographic deployments. Core applications include large-scale solar irrigation systems requiring stable 1500V DC arrays, utility ground-mount tracking installations, and heavy-industrial warehouse rooftop plants. The standard AL6005-T5 frame ensures mounting compatibility with flat-roof ballasted structures, RV power expansions, and remote micro-grid telecom stations subject to high wind loads.

commercial rooftop installation 485w single glass solar panel array

FAQ

How does the 485W single glass panel integrate with existing 1000V DC string inverters?

The panel natively supports both 1000V and 1500V DC system voltages. Its open-circuit voltage (Voc) and short-circuit current (Isc) parameters allow direct series connection with standard MPPT trackers on Tier 1 commercial inverters without triggering overcurrent protections.

What is the exact linear degradation rate over the 25-year warranty period?

First-year power degradation is capped at a maximum 2.0%. From year 2 to 25, the annual degradation is strictly limited to 0.55%, guaranteeing at least 84.8% of the original nominal power output at the end of the 25-year operational lifecycle.

Can your factory provide OEM laser-engraved logos and custom frame colors for wholesale orders?

Yes. For bulk EPC orders exceeding a 1MW threshold, we execute localized OEM branding. This includes precision laser-engraved logos on the standard silver or black AL6005-T5 anodized aluminum frames, with a production lead time of 15-20 days.

Call to Action

Request a precise system wiring diagram and wholesale project quote within 24 hours. Batch OEM samples available for quality testing. Submit your EPC technical requirements to our factory engineers today for volume tier pricing.

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