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550 Watt Monocrystalline Solar Panel, UL Certified | Renogy

SKU: RSP450D-120x2-US-1Brand: Renogy


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550 Watt Monocrystalline Solar Panel, UL Certified| Renogy

  • 【High-Powered Module】 This solar panel is engineered with high-efficiency PERC (Passivated Emitter and Rear Contact) cells, capturing more light to achieve 22.8% conversion efficiency. Resulting in higher performance than most conventional panels, Renogy’s 450W panels provide more output per surface area.
  • 【High Tolerance】 Renogy’s high-powered 450 watt solar panels are made with half-cell technology. This half-cut panel is more tolerant of shading on any part of the cell and performs excellently in low light situations due to the increased number of cells receiving more sunlight.
  • 【Space and Installation Optimization】 A great option for large-scale installations, each solar panel can produce up to 2250 Wh of electricity per day and requires fewer installations per panel on your rooftop, making it the ideal choice as home solar panels.
  • 【Reliable and Durable】 Corrosion-resistant aluminum frame provides extended outdoor use that ensures the panel can last for decades. The IP68 rated junction box and solar connectors can withstand dirt, dust, debris, and water splashes.
  • 【Claim Federal Solar Tax Credit】 Claim up to 26% of your home’s new solar system costs (both equipment and installation) for a solar panels tax credit. To learn more about the Investment Tax Credit, please refer to our Solar Tax Credit section or visit the designated U.S. Department of Energy webpage.

This Renogy High-powered 450 Watt Monocrystalline Solar Panel maximizes power output while minimizing installation space and system equipment costs, primarily used for utility-scale systems, solar power plants, residential and commercial applications. This solar panel combines high efficiency mono PERC cells with Half-Cell and 10-Busbar technologies to improve the electrical performance and power output of your solar array system. Generate renewable energy, reduce electricity bills and carbon footprint.

Since 2010, Renogy has gained rich experience in designing and manufacturing the most efficient and robust solar panels and the most complete off-grid solar system. A focus on testing, quality control, and traceability ensures our solar power system offers an industry-leading warranty and reliability guarantee. Invest in yourself by going Renogy. This will be your most economical long-term investment yet.

Higher Module Efficiency

Renogy’s high-powered 450W monocrystalline solar panel provides an average of 1800-2250 Watt-hours (Wh) power per day (depending on sun availability).

It has passed the electroluminescence (EL) test for quality assurance. No hot spots.

More Power, Less Space

Engineered with industry-leading technologies, this high-powered 450W solar panel provides maximum power generation for your limited roof space.

It’s an economical long-term investment for utility-scale systems, solar power plants, residential and commercial applications.

Corrosion-Resistant Aluminum Frame

Corrosion-resistant aluminum frame design ensures the solar panel survives in harsh outdoor environments, including the burning sun and heavy rain.

Provides an extended period of work time without damage or loss of performance.

Pre-Drilled Holes for Easy Installation

Renogy solar panels are equipped with back frame and ground mounting holes, ready for installation.

They are easy to mount and secure, ideal for off-grid, on-grid, and hybrid solar systems.

Extreme Weather Endurance

Withstand up to 5400 Pa of heavy snow load and up to 2400 Pa of high wind.

Provide excellent durability in a harsh environment.

Extended Durability

IP68 rated waterproof junction box and solar connectors ensure that water and dust will not enter during extended outdoor use.

The built-in bypass diodes protect the solar cells from overheating, allowing the solar panel to perform during accidental shading by bypassing the underperforming cells.

  • If you have any questions regarding this product, please call us at 1 (909) 287-7111 or or submit a ticket for troubleshooting assistance.
  • More questions about your off-grid power system? Learn more fromRenogy Learning Center!

450 Watt Monocrystalline Solar Panel, UL Certified|Renogy


450W Monocrystalline Solar Panel

450W Monocrystalline Solar Panel

2 x



Output Cables: 12 AWG (1ft per cable)

Cell Type: PERC Monocrystalline (7.2 x 3.6 in)

Number of Cells: 120 (6 x 20), 60 cells in series

Junction Box: IP65 / IP68 (1m, 1h) rating

MC4 Solar Connectors: IP65 / IP68 (1m, 1h) rating


Maximum Power at STC: 450W

Cell Efficiency: 22.8%

Optimum Operating Voltage (Vmp): 34.67V

Open-Circuit Voltage (Voc): 41.25V

Optimum Operating Current (Imp): 12.98A

Short-Circuit Current (Isc): 13.89A

Operating Temperature: -40°F to 185°F

Maximum Series Fuse Rating: 25A

Maximum System Voltage: 1500V DC (UL)

Rated Current (MC4 Solar Connectors): 35 A

Weight: 52.7 lbs (23.9 kg)

Dimensions: 75.2 x 44.6 x 1.4 in (1909 x 1134 x 35 mm)

Maximum AWG Size Range (MC4): 10 AWG

Certifications: CE, ISO, UL

Material and workmanship warranty: 10 year material and workmanship warranty

Performance: 5 year 95% output warranty 10 year 90% output warranty 25 year 80% output warranty

550 Watt Monocrystalline Solar Panel, UL Certified|Renogy

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  • Product Model Number

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550 Watt Monocrystalline Solar Panel, UL Certified|Renogy

Limited Warranty

Renogy is a visionary technology leader on a mission to dramatically broaden the accessibility and adoption of innovative clean energy around the globe. Every day, we actively work to broaden people’s ability to choose, purchase, utilize and enjoy the benefits of renewable, clean energy products.

You’re completely covered with Renogy’s industry-leading products and a worry-free warranty. Renogy customer service team is located both locally and global-wide and works tirelessly to ensure your energy solution is operating at its peak performance, and any problem you may have can be resolved in a timely manner.

We want you to be confident that you’re purchasing and installing the right solar energy solution. As a sign of confidence in our quality, we are pleased to grant you the following warranties for our products.

  •  Limited Warranty on Batteries and Power Stations
  • Limited Warranty on Solar Panels and Solar Kits
  • Limited Warranty on Charge Controller, Inverter, Battery Charger
  • Limited Warranty on IOT Monitors and Accessories

Part 1 Batteries and Power Stations

The products manufactured by Renogy (the “Warrantor”) are warranted to be free from defects in workmanship and materials under normal use and service. The warranty is in effect from the date of purchase by the user (the “Purchaser”). This limited warranty covers substantial defects in material or workmanship and performance.

If any Renogy product(s) fail to follow this Limited Warranty and any and all power loss is determined by the Warrantor’stechnical support team then the Warrantor will either repair or replace the defective product(s) with a new or refurbished product (s). All replacements will be compatible with the original product(s) with an equal or even greater power rating(in some cases). If for anyreasonRenogy is unable to repair or replace the defective product(s) then a refund can occur.

1. Prorated Warranty

Prorated warranted products manufactured by Renogy (the “Warrantor”) are warranted to be free from defects in workmanship and materials under normal use and service. The warranty is in effect from the date of purchase by the user (the “Purchaser”). This limited warranty covers substantial defects in material or workmanship and performance and follows the guidelines of the Limited Warranty with the addition of the following table detailing exchange costs for warranty replacements for prorated warranty items.

*Please Note: Failure to properly install or operate the battery will void the warranty. Please refer to the product page on our website for detailed installation and operation instructions.


2. Material and Workmanship Warranty period for the following products.

3. Exclusions and Limitations for Batteries

Without the involvement of the Warrantor in the system design and the express written authorization from the Warrantor, the battery is not intended for use as the primary or backup power source for life support systems or other medical equipment, or any use where battery failure could lead to injury to or loss of life or catastrophic property damage. Useinthis manner is at Purchaser’s own risk. To the extent permitted by law, Warrantor disclaims any and all liability arising out of any such use. Further, Warrantor reserves the right to refuse to service any battery used for these purposes and disclaims any and all liability arising out of Warrantor’s refusal to service.

The warranty does not cover failures and damages that result from normal wear and tear, improper installation, operation, and storage, insufficient ventilation, inadequate maintenance, incorrect handling and transportation, unauthorized repair, modifications, conversions and additions, intentional or accidental misuse, abuse, and neglect, contamination with hazardous substances, radiation, and water (unless stated otherwise by the Warrantor to be waterproof), unusual electrical stress including power surges, uncontrolled voltages and currents, excessive or deficient energy supply, system harmonics, and lighting, exposure to extreme hot or cold temperatures, and for Majeure including fires, floods, earthquakes, hurricanes, severe weather, wars, and acts of terrorism.

For further clarity, the warranty is void in the following cases.

The battery operates outside the temperature range as set forth in the user manual and/or datasheet. The battery bank is configured with mixed makes and/or models, incorrect series and/or parallel connections, or inappropriate cable size and/or length.

The battery terminals are not tightened to the specification as set forth in the user manual and/or datasheet. The battery is charged with charging algorithms and/or charger settings that do not comply with the requirements as set forth in the user manual and/or datasheet.

The battery is not properly protected from inrush currents with circuit breakers, fuses, and/or disconnects. The battery is directly connected to DC motors without appropriate safety protection, motor controllers, and motor voltage clamping systems.

The battery is left unattended for extended periods of time after depletion. The battery is not maintained or stored in accordance with the requirements as set forth in the user manual and/or datasheet.

The battery is subjected to excessive vibration due to inadequate mounting. The communication ports on the battery (if applicable) are damaged or altered. The communication ports on the battery (if applicable) are not connected in accordance with the instructions set forth in the user manual.

The battery is disassembled, altered, or repaired without express written authorization from the Warrantor. In order to provide the warranty, Warrantor may require the ability to upgrade the battery firmware or provide data-logged information. Any failure to install firmware upgrades when provided or to provide data-logged information upon request will void the warranty.

If the Warrantor determines that the problem with the product(s) is not due to a manufacturing defect in the Warrantor’sworkmanship or materials, or otherwise does not qualify for warranty repair, then the Purchaser will be responsible for all costs incurred by the Warrantor necessary to repair, replace and transport the product(s). The Warrantor will not be responsible for expenses related to installation/removal, electrical system tests, loss of time or other expenses considered incidental damages.

Part 2 Solar Panels and Solar Kits

  1. Material and Workmanship Warranty period for the following Solar Panels after Aug 1st, 2015:

*Excluding charge controller and wire defects.


We hope you have enjoyed your online shopping experience with Renogy. Please read below for more information about our shipping.


For Continental U.S. Orders: Processing time can take between 1-3 business days.


Renogy offers a variety of shipping methods as listed below as well as free ground shipping on many of our products. Any items that qualify for free shipping will be identified on the product listing page. Shipping times are based on business days (Monday to Friday) excluding Holidays and weekends. Depending on your order, your purchase may arrive in multiple packages. For orders with a value of $200 or more, a signature may be required. If you would like to waive the signature requirement, you must let a representative know as soon as possible at 1-252-376-2717.

Please note that not all items are eligible for Two Day or One Day shipping due to size, weight, hazardous materials, and delivery address.

Shipments cannot be rerouted once a package has been shipped.

Any orders in need of replacements due to shipping errors or damages in shipment will be sent out via ground shipping. Replacement orders cannot be expedited.

We understand that often professional installation is desired. However, we strongly suggest that you wait until you have received and verified the condition of your order before scheduling any work to commence with your new Renogy products. While we strive to provide the best quality products and expect a high level of service from our third-party carriers, we recognize that at times a product or particular delivery method does not meet our standards or quoted delivery date. Due to unforeseen issues potentially occurring, we strongly suggest that you wait until you receive and verify your products as we cannot be held responsible for delays in scheduled work.

If you are in the area and would like to pick up your order from our warehouse, please read our Will Call Policy.


Continental U.S.

Ground: Most Renogy products have free ground shipping offered and can take between 3-5 business days.

Two Day: Two Day shipping is available for orders shipped within the 48 contiguous United States. Second Day delivery orders will be processed on the same day if placed by 12:00 pm PST on a business day or processed the following business day if placed after 12 pm PST.

All orders must have a valid street address, expedited orders cannot be sent to PO Boxes. Again, as mentioned above, not all items are eligible for Two Day shipping due to size, weight, hazardous materials, and delivery address.

One Day: One Day shipping is available for orders shipped within the 48 contiguous United States. Day Delivery orders will only be processed on the same day if placed by 12:00 pm PST on a business day or processed the following business day if placed after 12 pm PST.

All orders must have a valid street address, expedited orders cannot be sent to PO Boxes. Again, as mentioned above, not all items are eligible for One Day shipping due to size, weight, hazardous materials, and delivery address.

Freight: Panels larger than 200 Watts must be shipped by freight and do not qualify for free shipping. Please note that return orders by freight will have a $500 charge for delivery and return transportation ($250 each way).

Other freight delivery charges are listed below:

  • Delivery to remote areas may incur additional costs of up to $50 – $280.
  • Delivery to limited access areas such as schools or churches will incur additional costs starting at $50.
  • Deliveries that require a change of address or rescheduling will be subject to storage fees ($20/day) and/or rerouting fees ($75 – $300).

Alaska, Hawaii, Puerto Rico and Guam

Yes, Renogy can ship to Alaska, Hawaii, Puerto Rico, and Guam via USPS for small parcels and UPS 2nd Day for larger packages, but cannot ship solar panels that are over 320W. And there is typically a surcharge. If you have any questions or need assistance with your order, please give our sales team a call at 1-252-376-2717.

Return & Refund

Thank you for shopping with Renogy! Our goal is 100 percent customer satisfaction! But in the event something isn’t quite right, we’ve made the return process super easy.

Order Cancellation

Customers can cancel transactions at any time before Renogy begins the shipping process. The shipping process typically begins within 30 minutes of the placement of the order. If unable to cancel an order before shipping, customers can make returns in accordance with Renogy’s Return Policy


Items purchased from Renogy can be returned within 30 days of delivery. Please note that Renogy will not accept returns beyond 30 days of delivery (this excludes returns for defects or quality issues which can be accepted after inspection and approval by Renogy).

Renogy 30-Day Return Policy

For returns of products purchased online at Renogy.com, customers need to contact Renogy customer service within 30 days of receiving the item to initiate the return process. To be eligible for a return, items must be in the original packaging 1, unused, undamaged, unmodified, and have a return authorization number 2 providedbyRenogy. Proof of purchase must be provided by the customer to begin the return process.

For Renogy products purchased from other authorized retailers or sellers please contact the seller where the item was originally purchased.

Shipping Costs

Shipping costs for product returns will be paid by Renogy under the following conditions:

  • The product was damaged during shipping or warehouse handling
  • Product defects
  • The incorrect product was delivered
  • The product (s) delivered were not ordered by the customer.

The customer is responsible for any return shipping costs when the product is returned under any other conditions. Costs vary by shipping location.

Renogy does NOT accept returns of items that have been modified in any way. Any modifications will render the Renogy warranty null and void. Any modified products returned to Renogy will be shipped back to the customer at the customer’s expense.

For approved returns, Renogy will provide a pre-paid return shipping label3. Any shipping costs that the customer is responsible for will be deducted from any refund issued to the customer by Renogy.


  • For returns related to customer preferences (not related to defects, shipping damage or wrong product delivered) made within the 30-day return period, a 10%~ 15% restocking fee will be charged.
  • After receiving the returned item, Renogy will issue a refund within 7 ~10 business days. Renogy will notify the customer by email once the refund has been processed. If the refund isn’t received after 7~10 business days, please contact theRenogy Customer Support Team. All returned items will be inspected to ensure they meet Renogy’s return policy.

Product Return Process

  1. To request authorization for the return, contact Renogy customer service. Once customers have contacted Renogy they will be asked to provide the reason for the return, and a receipt or proof of purchase.
  2. The Renogy Customer Support Team will determine whether the purchase is eligible for return. After confirming the order is eligible, Renogy will issue a ReturnMaterial Authorization (RMA) number and a prepaid return shipping label.
  3. The customer must clearly mark the RMA number on the package and include the dated proof of purchase with the product.
  4. For products being returned due to quality issues, which are beyond 30 days return period but within the warranty period, Renogy will provide instructions on how to properly package the product to return it safely. Do not ship the product before receiving the proper shipping safety instructions.

Note: Do not return any items without the RMA confirmation from the RenogyCustomer Support Team. For returns without RMA confirmation, the refund or replacement will not be processed, and the items will be returned to the sender.


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Based on 10 reviews

Admiring this attachment I was seeking a cardio workout to help me recover from a total hip replacement. And it's wonderful since I can relax while working out and it's gentle on my joints.

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