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ClearanceUP TO 50% OFF

= 36

Regitec 415W Solar Panel 108 Cell RMH54/415B1 Wholesale 36 panels per pallet

Rated Power Output 415 W
Voltage (VOC)37.45 V
Number of cells108
Cell TypeMonocrystalline

= 36

Regitec 430W Solar Panel 108 Cell All-Black Bifacial RMHT54/430AB2 Wholesale 36 panels per pallet

Rated Power Output 430 W
Voltage (VOC)38.49 V
Number of cells108
Cell TypeMonocrystalline

= 31

Regitec 550W Solar Panel 144 Cell RMH72-550S1 Wholesale 31 panels per pallet

Rated Power Output 550 W
Voltage (VOC)49.9 V
Number of cells144
Cell TypeMonocrystalline

Customer Choice

= 31

Philadelphia Solar 580W Bifacial 144 Cells MNB144(HCBF)-580W Wholesale 31 panels per pallet

Rated Power Output 580 W
Voltage (VOC)51.65 V
Number of cells144
Cell TypeMonocrystalline

LONGi 405W Solar Panel 108 Cell All-Black LR5-54HPB-405M

Rated Power Output 405 W
Voltage (VOC)37.15 V
Number of cells108
Cell TypeMonocrystalline

Seraphim 410W Solar Panel 108 Cell Bifacial SRP-410-BMD-HV Clearance

Rated Power Output 410 W
Voltage (VOC)37.32 V
Number of cells108
Cell TypeMonocrystalline

Peimar 450W Solar Panel 120 Cell All-Black DR10H450M Clearance

Rated Power Output 450 W
Voltage (VOC)41.18 V
Number of cells120
Cell TypeMonocrystalline

JA Solar 535W Solar Panel 144 Cell Bifacial JAM72D30-535/MB Clearance

Rated Power Output 535 W
Voltage (VOC)49.45 V
Number of cells144
Cell TypeMonocrystalline

JA Solar 405W Solar Panel 108 Cells JAM54S31-405/MR Clearance

Rated Power Output 405 W
Voltage (VOC)37.23 V
Number of cells108
Cell TypeMonocrystalline

Pickup on Thu, Feb 5 from Orlando, FL

Phono Solar 440W Solar Panel 108 Cells Bifacial PS440M8GFH-18/VNHB Clearance

Rated Power Output 440 W
Voltage (VOC)39.61 V
Number of cells108
Cell TypeMonocrystalline

JA Solar 450W Solar Panel 108 Cell All-Black Bifacial JA-54D41-450LB Clearance

Rated Power Output 450 W
Voltage (VOC)39.3 V
Number of cells108
Cell TypeMonocrystalline

Customer Choice

JA Solar 440W Solar Panel 156 Cell JAM78S10-440/MR Clearance

Rated Power Output 440 W
Voltage (VOC)53 V
Number of cells156
Cell TypeMonocrystalline

JA Solar 445W Solar Panel 156 Cell JAM78S10-445/MR Clearance

Rated Power Output 445 W
Voltage (VOC)53.31 V
Number of cells156
Cell TypeMonocrystalline

Silfab 500W Solar Panel 132 Cell SIL-500-HM

Rated Power Output 500 W
Voltage (VOC)45.78 V
Number of cells132
Cell TypeMonocrystalline

Axitec 440W Solar Panel 108 Cell All-Black Bifacial AC-440TGB/108BB Clearance

Rated Power Output 440 W
Voltage (VOC)39.83 V
Number of cells108
Cell TypeMonocrystalline

= 36

ZNShine Solar 585W Solar Panel 144 Cell Bifacial ZXM7-UHLDD144-585 Wholesale 36 panels per pallet

Rated Power Output 585 W
Voltage (VOC)51.7 V
Number of cells144
Cell TypeMonocrystalline

Jinko Solar 430W Solar Panel 108 Cell All-Black JKM430N-54HL4-B Clearance

Rated Power Output 430 W
Voltage (VOC)39.16 V
Number of cells108
Cell TypeMonocrystalline

JA Solar 550W Solar Panel 144 Cell Bifacial JAM72D30-550/MB

Rated Power Output 550 W
Voltage (VOC)49.9 V
Number of cells144
Cell TypeMonocrystalline

Q CELLS 410W Solar Panel 132 Cell Q.PEAK DUO BLK ML-G10+ Assembled in USA Clearance

Rated Power Output 410 W
Voltage (VOC)45.37 V
Number of cells132
Cell TypeMonocrystalline

Overview
Articles

Discount Solar Panels

The discount solar panel market offers a legitimate pathway to energy independence for budget-conscious buyers—provided you know how to distinguish genuine value from compromised quality. This guide reveals how to evaluate discounted panels, verify warranties, and calculate true lifetime value.

Why Are Solar Panels Discounted?

Discount solar panels are photovoltaic modules sold at 20-50% below standard retail pricing through manufacturer overstock, previous-generation inventory, or seasonal promotions. A 400-watt monocrystalline panel retailing at $280 might appear at $165 through distributor clearance events—same specifications, different availability status.

The critical distinction: previous-generation 380-watt panels with 19.8% efficiency often outperform current budget models despite clearance pricing, whereas deeply discounted no-name brands with vague specifications typically reflect compromised manufacturing.

Expert Tip

Request the panel's datasheet showing nameplate specifications before purchasing. Legitimate discounts maintain full technical documentation including efficiency ratings, temperature coefficients, and warranty terms.

Best Discounted Solar Panels for Long-Term Value

Previous-generation tier-1 monocrystalline panels offer the strongest value proposition—launched 18-24 months prior, featuring 19-21% efficiency with manufacturer warranties from established companies. The performance gap between a 2024 model at $0.45 per watt and a 2026 model at $0.70 per watt rarely justifies the 55% price premium.

Polycrystalline panels work well for installations with ample roof space where slightly lower efficiency (15-17%) doesn't constrain system sizing.

Panel Type	Efficiency	Best For	Price/Watt
Previous-Gen Monocrystalline	19-21%	Limited roof space	$0.45-$0.55
Polycrystalline	15-17%	Ample roof area	$0.35-$0.42
Current Budget Mono	17-19%	Balanced approach	$0.48-$0.58

Warranty Protection on Budget Panels

Tier-1 manufacturers maintain 10-12 year product warranties plus linear performance warranties guaranteeing 80-85% output after 25 years, regardless of clearance pricing. Budget panels from lesser-known manufacturers often advertise comparable periods but lack institutional backing to honor long-term claims.

Read the actual warranty certificate, not marketing summaries. Comprehensive warranties specify exact performance degradation curves, clear claim processes, and transferability provisions.

Legitimate Discounts vs. Red Flags

✅ Legitimate Sources:

Manufacturing overruns from quarterly production batches, model transitions when manufacturers launch updated panel lines, cosmetic imperfections (slight discoloration, frame scratches) that don't impact performance.

⚠️ Red Flags:

Absence of manufacturer identification, pricing below $0.30 per watt for current-generation specs, missing technical datasheets, third-party warranty registration requirements, sellers unable to provide contractor references.

Calculating True Cost-Effectiveness

Analyze lifetime energy production, not just upfront cost. A $150 panel producing 8,500 kWh over 25 years delivers energy at $0.0176 per kWh, whereas a $250 panel generating 10,200 kWh achieves $0.0245 per kWh—making the expensive panel cost 39% more per unit of electricity.

Cost-Per-Watt Comparison

Calculate by dividing panel price by wattage rating: a $180 panel at 400 watts equals $0.45 per watt. However, adjust for efficiency by normalizing to a 20% baseline, enabling direct comparison across different efficiency classes.

Panel Type	Price	Wattage	Efficiency	Cost/Watt	25-Year Production	Lifetime Cost/kWh
Premium Current	$285	420W	21.2%	$0.68	10,920 kWh	$0.0261
Previous-Gen	$195	400W	20.1%	$0.49	10,200 kWh	$0.0191
Discount Poly	$145	360W	16.8%	$0.40	8,640 kWh	$0.0168

Smart System Design on a Budget

Calculate total wattage needs, then determine if lower-cost, lower-efficiency panels fit available roof space. A 6-kilowatt system requires fifteen 400-watt panels at 20% efficiency or seventeen 350-watt panels at 16.8% efficiency.

String inverters offer lower upfront costs for unshaded installations with uniform panels. Microinverters cost more but optimize each panel independently—valuable for mixed vintages or partial shading.

Installation Type	Panel Cost	System Size	Total Investment	Payback Period
Premium Current	$4,200	6.3 kW	$12,700	7.5 years
Discount Previous-Gen	$2,925	6.0 kW	$11,125	6.9 years
Budget Poly	$2,320	6.12 kW	$11,120	6.8 years

Expert Tip

Request production modeling from installers using PVWatts or Helioscope for your specific location, roof orientation, and shading analysis. Compare modeled output to verify whether premium pricing delivers proportional production increases.

Key Takeaways

The discount solar panel market rewards informed buyers with professional-grade equipment at significant savings. Success requires understanding legitimate sources, verifying quality through documentation and testing, and calculating lifetime value rather than fixating on upfront costs.

💡 Remember: A $2,000 difference in panel costs can translate to just 6 months variation in payback period while providing decades of reliable energy production. Focus on quality metrics, warranty protection, and lifetime energy output rather than initial price alone.

Where to Buy Discount Solar Panels?

A1 SolarStore — Your Trusted Source for Discount Solar Panels

A1 SolarStore specializes in clearance and discounted solar panels from tier-1 manufacturers, offering previous-generation and overstock inventory at competitive pricing with full warranty protection and technical support.

Buy Clearance Solar Panels