CiFi SUN 54HL4R-BDB 440W
CiFi SUN 54HL4R-BDB 440W
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CiFi SUN 54HL4R-BDB 440W

CiFi SUN 54HL4R-BDB 440W

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9+ sold

In the last 7 days

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Lifetime Customer Support

Unlimited lifetime support, always available.

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Specifications

Datasheet
Wattage 440W
Efficiency 22.02%
Cell Type N-type Mono-crystalline
Voc 39.57V
Vmp 32.99V
Isc 13.80A
Imp 13.34A
Cells 108 (6×18)

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Returns are free in the first 30 days with no restocking or processing fees, although the customer may be responsible for paying return shipping. See our complete return policy on our Shipping, Delivery, and Returns page linked in the footer of this website.

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Our returns policy covers all purchases made through Portlandia Electric Supply. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

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All orders are processed within 72 hours and you can expect delivery on most orders within 5-7 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

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You can arrange financing during the checkout process, or scroll further down this page for more details. Please note, if you'd like to finance your order, you can do so instantly, right at checkout.

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Our legendary lifetime customer support has helped make us the #1 online solar retailer! We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Portlandia Electric Supply equipment, we’ve got you covered: we’re always only a phone call or email away.

Jinko 54HL4R-BDB 440W N-Type TOPCon Bifacial Solar Panel

Model 54HL4R-BDB | N-Type TOPCon | 108 Half-Cell Mono-Crystalline | Bifacial | 1500V System Voltage

440 W
Max Power Output
22.02%
Module Efficiency
108
N-Type TOPCon

Product Overview

The CiFi SUN 54HL4R-BDB 440W N-type TOPCon bifacial solar panel is engineered for projects that demand high energy yield and long-term reliability. This premium module combines JinkoSolar’s advanced N-type TOPCon cell technology with dual-glass, all-black construction for durable performance and modern aesthetics. With a rated power of 440 watts and up to 22.02% module efficiency, it is well suited for residential rooftops, small commercial arrays, and ground-mount systems where space is valuable. Bifacial generation helps capture additional energy from reflected light, improving project returns over time. A low temperature coefficient and robust 1500V system rating support dependable output in demanding climates. Backed by extended product and linear power warranties, this module is designed to deliver stable production for decades in both grid-tied and storage-ready systems.

Key Benefits

High power density for limited roofs: With a 440 Wp output and up to 22.02% efficiency, this panel delivers strong production from a compact 1762 x 1134 mm footprint, allowing more power per square meter on constrained sites.

N-type TOPCon reliability and yield: Advanced N-type TOPCon mono-crystalline cells are designed to reduce light-induced degradation and improve long-term performance, helping maintain higher energy output over the full lifetime of the array.

Bifacial dual-glass construction: The bifacial, dual-glass design absorbs light from both the front and rear sides, increasing total energy harvest in reflective environments while enhancing mechanical strength and weather resistance.

Stable performance in harsh climates: A low Pmax temperature coefficient of -0.29 %/°C and operating range from -40°C to +85°C support dependable output in hot summers, cold winters, and high-irradiance locations.

Long-term warranty protection: A 25-year product warranty and 30-year linear power warranty, with only 0.4% annual degradation after year one and 87.4% expected output at 30 years, provide strong assurance for project investors and system owners.

How It Works

This Jinko 54HL4R-BDB 440W module converts sunlight into usable electricity using high-efficiency N-type TOPCon mono-crystalline solar cells. When sunlight strikes the front glass, photons are absorbed by the 108 half-cut cells and generate a flow of direct current. The bifacial design also allows the rear glass to capture reflected light from surfaces like light-colored roofs, concrete, or ground coverings. Both sides feed current through a multi-busbar cell layout and low-resistance conductors to minimize internal losses. The generated DC power flows through the junction box and MC4-compatible connectors into the DC wiring and inverter. The inverter then changes DC into AC electricity that can power loads or feed into the grid. A 1500 V system rating and robust dual-glass construction help maintain performance under high system voltages, mechanical loads, and temperature swings, enabling stable operation within modern string and hybrid inverter architectures.

N-type TOPCon cell conversion: The panel uses N-type mono-crystalline cells with TOPCon technology to improve charge collection and reduce recombination losses. This structure supports higher efficiency and mitigates common degradation modes, so more of the incoming sunlight is converted into consistent power over time.

Bifacial dual-glass energy gain: Front glass with anti-reflection coating optimizes light entry, while the rear glass allows the module to utilize reflected irradiance. In suitable installations, this design can increase total energy yield compared to monofacial modules, lowering levelized cost of energy across the system life.

System integration and protection: Current from the cells is combined within the IP68 junction box and routed through 4 mm² output cables to standard MC4-type connectors. The module integrates into 1500 VDC strings and is protected by a 30 A series fuse rating, ensuring compatibility with modern string inverters and robust safety under diverse operating conditions.

Technical Specifications

Brand JinkoSolar (sold by Zhejiang Xuhui New Energy Technology Co., Ltd. - CiFi SUN)
Model Number 54HL4R-BDB
Cell Technology N-type TOPCon mono-crystalline
Cell Count and Layout 108 cells (54 × 2 half-cells)
Bifacial / Monofacial Bifacial dual-glass, all-black
Rated Power Output (STC) 440 Wp
Power Range Series 435 Wp – 450 Wp (series range)
Module Efficiency (STC) 22.02% (panel range 21.27% – 22.52%)
Power Tolerance (Measurement) ±3% power measurement tolerance
Power Sorting Tolerance -5 W to +15 W factory sorting
Voltage at Maximum Power (Vmpp) 33.44 V
Current at Maximum Power (Impp) 13.16 A
Open-Circuit Voltage (Voc) 39.83 V
Short-Circuit Current (Isc) 13.98 A
Bifaciality Coefficients (BNPI) Short-circuit current bifaciality 80±5%; open-circuit voltage bifaciality 98±5%; maximum power bifaciality 80±5%
Operating Temperature Range -40°C to +85°C
Nominal Operating Cell Temperature (NOCT) 45±2°C
Temperature Coefficient of Pmax -0.29 %/°C
Temperature Coefficient of Voc -0.25 %/°C
Temperature Coefficient of Isc 0.045 %/°C
Maximum System Voltage 1500 VDC (IEC)
Maximum Series Fuse Rating 30 A
Total Degradation Over 30 Years Approx. 12.6% loss, 87.4% rated output at year 30
First-Year Degradation Rate 0.4% first-year degradation (typical for this series)
Panel Dimensions (H × W × D) 1762 × 1134 × 30 mm
Weight 24.5 kg
Front Glass 2.0 mm tempered glass with anti-reflection coating
Back Glass 2.0 mm heat strengthened glass
Frame Material and Color Anodized aluminium alloy, black frame
Junction Box Rating IP68, Protection Class II
Connector Type Jinko JK03M / JK03M2 or Stäubli MC4-EVO2 compatible
Cable Cross-Section and Length 4.0 mm²; (+) 400 mm, (-) 200 mm or customized length
Mechanical Load Capacity 5400 Pa front static load; 2400 Pa rear static load
IEC Fire Rating Class C

Certifications & Compliance

Certifications: IEC61215:2021, IEC61730:2023, ISO9001:2015 Quality Management System, ISO14001:2015 Environmental Management System, ISO45001:2018 Occupational Health and Safety Management.
Inverter Compatibility: Designed for 1500 VDC string architectures and compatible with most modern string and hybrid inverters that accept MC4-type connectors and N-type module characteristics.
Environmental: Dual-glass construction supports enhanced resistance to moisture, UV, and mechanical stress, improving durability in coastal, desert, and high-snow regions.
Warranty: 25-year product warranty and 30-year linear power warranty with 0.4% first-year degradation and a guaranteed 87.4% of nominal power output at year 30, subject to manufacturer terms.

Documentation

Product Datasheet (PDF)

● Available | Contact us for lead time and pricing

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Customer Success Stories

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go.Portlandia Electric Supply Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

Coll A

Great Experience

My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go.Portlandia Electric Supply Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

Coll A

Great Experience

My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

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Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

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When you choose Portlandia Electric Supply, you’re buying real products from a trusted company with established supplier relationships. Enjoy peace of mind with 100% manufacturer warranty coverage and lifetime customer support. In an age where online shopping is fraught with risks, it’s crucial to avoid fly-by-night websites that skirt regulations. Shop with confidence, knowing you’re getting genuine quality and reliable service.

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