EA 355W
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EA 355W

EA 355W

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Power Rating 355W

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What is your return policy?

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.

What’s covered by your return policy?

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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We offer several ways to pay to make getting your solar kit simple:

Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer

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.

Energy America EA 355W Bifacial Polycrystalline PERC Solar Panel

Model EA 355W | Bifacial PERC | 144 Half-Cell Polycrystalline | Bifacial | 1500V System Voltage

355 W
Max Power Output
17.89%
Module Efficiency
144
N-Type TOPCon

Product Overview

The Energy America EA 355W bifacial polycrystalline PERC solar panel is designed for reliable long term output on modern rooftop and ground mounted systems. This high performance module delivers up to 355 watts of front side power, with panel efficiency reaching 17.89 percent under standard test conditions. Its bifacial PERC architecture and polycrystalline cells work together to capture more sunlight and convert it into electricity with impressive stability. The module suits residential, commercial and light industrial projects that require dependable power density in a slim 30 millimeter frame. With a 144 half cell layout, robust IP68 junction box and 1500 volt system rating, the EA 355W panel integrates easily into contemporary string or central inverter designs. Customers can expect durable construction, strong energy yield and a competitive warranty package that supports long term investment returns.

Key Benefits

High power density in a compact footprint: With a rated output of 355 watts, this module delivers strong energy yield from a 2000 by 992 millimeter frame, ideal where roof space is limited.

Bifacial PERC technology for enhanced harvest: Bifacial PERC cells can convert light from both the front and rear sides, which supports higher kWh production on reflective surfaces and optimized mounting structures.

Stable performance with low degradation: The panel is backed by a power warranty with only 0.57 percent annual degradation, retaining 97.5 percent at year one and 83 percent after 30 years.

Robust design for demanding environments: An IP68 rated junction box, tempered glass with anti reflection coating and a wide operating temperature range from minus 40 to 85 degrees Celsius support reliable operation outdoors.

Flexible integration with modern systems: The 1500 volt system rating and 15 amp series fuse compatibility make the module suitable for long strings, reducing balance of system costs and simplifying design.

Lightweight yet durable construction: At 25.5 kilograms, the panel strikes a balance between rigidity and handling ease, which supports safe installation on rooftops and ground racks.

How It Works

The EA 355W bifacial polycrystalline PERC solar panel converts sunlight into usable direct current power through a combination of efficient cell design and durable packaging. Sunlight strikes the polycrystalline cells arranged in a 144 half cell matrix, where photons are absorbed and electrons released to create an electrical current. Because the module uses bifacial PERC technology, light reaching the rear side can also be harvested when reflected from the roof, ground or surrounding surfaces. The anti reflection coated tempered glass improves light transmission on the front, while the encapsulant layers protect cells from moisture and mechanical stress. The generated current flows through integrated busbars into the junction box, where bypass diodes help minimize power loss in partial shading conditions. From there, the DC output is routed through connectors and strings toward an inverter, which converts the power into alternating current suitable for homes or businesses. The design has been optimized to maintain performance over decades within the specified temperature and voltage limits.

Bifacial energy capture: The panel features bifacial architecture, allowing both sides to participate in power generation when exposed to light. Light reflected from bright roof surfaces, concrete or ground coverings can reach the rear side, boosting overall energy yield compared to a similar monofacial module. This makes the panel especially effective in elevated mounts, carports and arrays above reflective surfaces.

PERC cell enhancement: Passivated emitter and rear cell technology improves carrier collection within each polycrystalline cell. A passivation layer on the rear surface reduces recombination losses and reflects unabsorbed light back into the cell for a second chance at conversion. This process increases efficiency and helps the module achieve a strong 17.89 percent front side rating within a standard sized format.

Half cell string configuration: The 144 half cell layout effectively splits the module into multiple shorter strings, which reduces series resistance and improves shade tolerance. Lower resistive losses translate into higher output at the same irradiance compared to full cell designs. When sections of the module are shaded, integrated diodes and the half cell structure help keep unaffected areas producing power more efficiently.

Thermal and electrical protection: The module is engineered for reliable operation between minus 40 and 85 degrees Celsius, with defined temperature coefficients for power, voltage and current. As temperatures rise, output voltage naturally drops, and the specified coefficients allow system designers to model this behavior accurately. An IP68 junction box with three diodes protects against moisture ingress and helps manage hot spots during partial shading, preserving long term reliability.

Technical Specifications

Brand / Seller Energy America, LLC
Country of Origin / Sale United States
Module Type Polycrystalline bifacial PERC solar panel
Model Number EA 355W
Technology Bifacial, PERC, polycrystalline cells
Power Range 335 Wp to 360 Wp series range
Rated Maximum Power (front side) 355 Wp
Secondary Listed Maximum Power 264 Wp (alternate operating condition)
Module Efficiency Range 16.89 % to 18.15 %
Nominal Module Efficiency (355 W) 17.89 %
Power Tolerance 0 to +3 %
Voltage at Maximum Power (Pmax 355 W) 38.7 V
Current at Maximum Power (Pmax 355 W) 9.18 A
Open Circuit Voltage Voc (355 W) 47.4 V
Short Circuit Current Isc (355 W) 9.45 A
Voltage at Maximum Power (Pmax 264 W) 36.5 V
Current at Maximum Power (Pmax 264 W) 7.23 A
Open Circuit Voltage Voc (264 W) 43.5 V
Short Circuit Current Isc (264 W) 7.65 A
Nominal Operating Cell Temperature 45.0 ± 2.0 °C
Operating Temperature Range -40 °C to 85 °C
Temperature Coefficient of Pmax -0.39 % / °C
Temperature Coefficient of Voc -0.31 % / °C
Temperature Coefficient of Isc +0.06 % / °C
Maximum System Voltage 1500 V DC
Maximum Series Fuse Rating 15 A
Panel Dimensions (H x W x D) 2000.0 mm x 992.0 mm x 30.0 mm
Weight 25.5 kg
Cell Count and Layout 144 half cut polycrystalline cells
Glass Type and Coating 2 mm tempered glass with anti reflection coating
Junction Box Diodes 3 bypass diodes integrated
Junction Box Protection Rating IP68
Connector Type Standard PV DC connectors (MC4 compatible type)

Certifications & Compliance

Certifications: Formal certification labels are not listed in the available data, but the module is designed to align with common IEC and UL standards used for grid tied solar installations.
Inverter Compatibility: Compatible with most modern string and central inverters that accept 1500 V DC systems and standard PV connectors. Designers should confirm string length, voltage window and current limits per inverter datasheet.
Environmental: Suitable for outdoor mounting with IP68 junction box protection and operation from -40 °C to 85 °C. The tempered glass and encapsulation system are engineered to withstand typical wind, snow and UV exposure when installed correctly.
Warranty: Product warranty coverage is stated as 30 years for the module. The power warranty guarantees 97.5 percent of initial output after one year and 83 percent after 30 years, corresponding to an average annual degradation rate of approximately 0.57 percent under standard operating conditions.

● 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

Be Smart, Buy From an Authorized Dealer

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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