Home
Best seller
Bila Solar AA550US-6x24GG 550W

Get yours today!

9+ sold

In the last 7 days

Flat Rate Shipping - Calculated at Checkout

Delivery timeframe shown above at checkout

Lifetime Customer Support

Unlimited lifetime support, always available.

SKU PES-SPS-SOL-2058

Bila Solar AA550US-6x24GG 550W

Quantity

Call Now Email Us

Secure Payment Methods

Get yours today!

9+ sold

In the last 7 days

Flat Rate Shipping - Calculated at Checkout

Delivery timeframe shown above at checkout

Lifetime Customer Support

Unlimited lifetime support, always available.

In High Demand! Order Now To Secure Your Items

Request a Free Quote

Got Questions? We’re Here to Help!

Our support team is ready to assist you with product guidance, order details, or any questions you might have.

(888) 876-0007

Instant Live Chat

Mon-Fri 10am-6pm EST

View full details

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.

How long will it take to receive my order?

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.

What are your financing and payment options?

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.

How does your Lifetime Customer Support work?

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.

Bila Solar AA550US-6x24GG 550W Bifacial Monocrystalline Solar Panel

Model AA550US-6x24GG | Bifacial PERC | 144 Half-Cut Cells | Monocrystalline | 1500V System Voltage

550W

Max Power Output

21.3%

Module Efficiency

144 Cells

Half-Cut Bifacial

Product Overview

The Bila Solar AA550US-6x24GG represents a premium bifacial solar panel engineered for maximum energy generation. This 550-watt module combines advanced PERC technology with bifacial capabilities. Manufactured in Indiana with domestically sourced cells, it meets stringent domestic content requirements. The panel features 144 half-cut monocrystalline cells arranged in a 6x24 configuration. Its dual-glass construction delivers exceptional durability and weather resistance. The bifacial design captures reflected sunlight from ground surfaces, increasing overall system yield. With 21.3% efficiency rating, this panel outperforms conventional alternatives. The large-format module integrates seamlessly into residential and commercial installations. Its positive power tolerance guarantees a minimum of 550 watts at standard test conditions.

Key Benefits

Enhanced Bifacial Performance: Bifacial PERC cells generate additional power from reflected ground light. This rear-side power gain reaches approximately 5% under optimal conditions. Low-light performance improves significantly compared to monofacial alternatives.

Domestic Manufacturing: Cells manufactured in the USA with modules assembled in Indiana. This qualifies for domestic content requirements in many incentive programs. Supporting American manufacturing strengthens local solar infrastructure.

Superior Durability: Certified to withstand snow loads up to 5400 Pa and extreme winds up to 2400 Pa. Dual-glass construction with anodized aluminum frame ensures long-term protection. IP68-rated junction box provides complete weatherproofing.

Positive Power Tolerance: Features 0 to +0.93% power tolerance, guaranteeing more power than rated specifications. This means you receive at least 550 watts at standard test conditions. No negative power output surprises.

Extended Warranty Protection: Includes 12-year product and materials warranty plus 30-year linear power performance warranty. First-year degradation limited to less than 2%, then under 0.45% annually. Comprehensive coverage ensures long-term investment security.

High System Voltage Capability: Supports maximum system voltage of 1500V DC, enabling larger array configurations. Reduces balance-of-system component requirements and installation complexity. Compatible with modern string inverters and hybrid systems.

How It Works

The Bila Solar AA550US-6x24GG operates through advanced photovoltaic conversion principles enhanced by bifacial technology. Sunlight strikes the front-facing monocrystalline PERC cells, exciting electrons and generating direct current. Simultaneously, reflected light from ground surfaces reaches the rear side, creating additional power generation. The half-cut cell configuration reduces resistive losses and improves current distribution throughout the module. Three bypass diodes protect against hotspot formation and shading issues. The dual-glass structure with anti-reflection coating maximizes light transmission to active cells. Temperature management through natural ventilation maintains optimal operating conditions across seasonal variations.

Bifacial Power Generation: Front-side cells capture direct sunlight while rear-side cells harness reflected light from ground surfaces and nearby structures. This dual-surface collection increases annual energy yield by approximately 5% compared to monofacial modules. Optimal placement on reflective surfaces maximizes this benefit.

PERC Cell Technology: Passivated Emitter Rear Cell technology reduces electron recombination losses on the rear surface. This increases overall conversion efficiency and improves low-light performance. Enhanced rear-surface passivation enables superior bifaciality and power output.

Half-Cut Cell Design: Dividing cells into halves reduces series resistance and minimizes current losses. This configuration improves performance under partial shading conditions. Increased number of cells (144 total) distributes electrical stress more evenly across the module.

Temperature Coefficient Management: Temperature coefficient of -0.35%/°C means power output decreases slightly as module temperature rises. Natural ventilation and mounting techniques minimize temperature buildup. Dual-glass construction provides better thermal management than traditional single-glass designs.

Technical Specifications

Model Number	AA550US-6x24GG
Cell Type	Monocrystalline PERC (Passivated Emitter Rear Cell)
Technology	Bifacial, Half-Cut
Number of Cells	144 (6 × 24 configuration)
Cell Size	182 × 91 mm
Maximum Power (Pmax) at STC	550 Wp
Power Tolerance	0 to +0.93%
Module Efficiency	21.3%
Voltage at Maximum Power (Vmpp)	41.96 V
Current at Maximum Power (Impp)	13.11 A
Open Circuit Voltage (Voc)	49.9 V
Short Circuit Current (Isc)	14 A
Maximum Power at NMOT	416 Wp
NMOT Voltage (Vmpp)	39.79 V
NMOT Current (Impp)	10.46 A
NMOT Open Circuit Voltage (Voc)	47.32 V
NMOT Short Circuit Current (Isc)	11.3 A
Rear-Side Power Gain	~5% (Reference to 550W Front)
Bifaciality Factor	70% ± 5%
Temperature Coefficient of Pmax	-0.35%/°C
Temperature Coefficient of Voc	-0.26%/°C
Temperature Coefficient of Isc	0.048%/°C
Nominal Module Operating Temperature	42 ± 2°C
Operating Temperature Range	-40°C to +85°C (-40°F to +185°F)
Maximum System Voltage (DC)	1500V (IEC/UL)
Series Fuse Rating	25 A
Dimensions (H × W × D)	2278 × 1134 × 30 mm (89.69 × 44.65 × 1.18 in)
Weight	31.8 kg (70.11 lbs)
Front Cover	2.0 mm semi-tempered AR (anti-reflection) glass
Back Cover	2.0 mm semi-tempered bifacial glass
Frame Material	Anodized aluminum alloy
Junction Box	IP68 rated with 3 bypass diodes
Output Cable	4 mm² (IEC), 12 AWG (UL)
Connector Type	MC4 or similar
Front-Side Maximum Loading	5400 Pa (112 lb/ft²) snow load
Back-Side Maximum Loading	2400 Pa (50 lb/ft²) wind load
Fire Resistance Rating	UL Type 29
Pallet Configuration	36 pieces per pallet, 576 pieces per 53-foot container
Manufacturing Location	Cells made in USA, modules assembled in Indiana
First Year Degradation	Less than 2%
Annual Degradation (After Year 1)	Less than 0.45% per year
30-Year Power Retention	84.95%

Certifications & Compliance

Certifications: UL 61730 (Safety), UL 61215 (Performance), UL Type 29 (Fire Resistance)

Inverter Compatibility: Compatible with all major string inverters and hybrid systems supporting 1500V DC maximum system voltage. Works with microinverters and power optimizers for module-level monitoring.

Environmental Standards: Meets IEC and UL standards for extreme weather conditions. Certified for snow loads up to 5400 Pa and wind speeds up to 2400 Pa. Dual-glass construction eliminates moisture ingress concerns.

Warranty: 12-year product materials and workmanship warranty covering manufacturing defects. 30-year linear power performance warranty guarantees minimum 84.95% power output after 30 years. First-year degradation limited to less than 2%, then less than 0.45% annually.

Documentation

Product Datasheet (PDF)

● Available | Contact us for lead time and pricing

What is your return policy?

What’s covered by your return policy?

How long will it take to receive my order?

What are your financing and payment options?

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.

How does your Lifetime Customer Support work?

Bila Solar AA550US-6x24GG 550W Bifacial Monocrystalline Solar Panel

Model AA550US-6x24GG | Bifacial PERC | 144 Half-Cut Cells | Monocrystalline | 1500V System Voltage

550W

Max Power Output

21.3%

Module Efficiency

144 Cells

Half-Cut Bifacial

Product Overview

Key Benefits

How It Works

Technical Specifications

Model Number	AA550US-6x24GG
Cell Type	Monocrystalline PERC (Passivated Emitter Rear Cell)
Technology	Bifacial, Half-Cut
Number of Cells	144 (6 × 24 configuration)
Cell Size	182 × 91 mm
Maximum Power (Pmax) at STC	550 Wp
Power Tolerance	0 to +0.93%
Module Efficiency	21.3%
Voltage at Maximum Power (Vmpp)	41.96 V
Current at Maximum Power (Impp)	13.11 A
Open Circuit Voltage (Voc)	49.9 V
Short Circuit Current (Isc)	14 A
Maximum Power at NMOT	416 Wp
NMOT Voltage (Vmpp)	39.79 V
NMOT Current (Impp)	10.46 A
NMOT Open Circuit Voltage (Voc)	47.32 V
NMOT Short Circuit Current (Isc)	11.3 A
Rear-Side Power Gain	~5% (Reference to 550W Front)
Bifaciality Factor	70% ± 5%
Temperature Coefficient of Pmax	-0.35%/°C
Temperature Coefficient of Voc	-0.26%/°C
Temperature Coefficient of Isc	0.048%/°C
Nominal Module Operating Temperature	42 ± 2°C
Operating Temperature Range	-40°C to +85°C (-40°F to +185°F)
Maximum System Voltage (DC)	1500V (IEC/UL)
Series Fuse Rating	25 A
Dimensions (H × W × D)	2278 × 1134 × 30 mm (89.69 × 44.65 × 1.18 in)
Weight	31.8 kg (70.11 lbs)
Front Cover	2.0 mm semi-tempered AR (anti-reflection) glass
Back Cover	2.0 mm semi-tempered bifacial glass
Frame Material	Anodized aluminum alloy
Junction Box	IP68 rated with 3 bypass diodes
Output Cable	4 mm² (IEC), 12 AWG (UL)
Connector Type	MC4 or similar
Front-Side Maximum Loading	5400 Pa (112 lb/ft²) snow load
Back-Side Maximum Loading	2400 Pa (50 lb/ft²) wind load
Fire Resistance Rating	UL Type 29
Pallet Configuration	36 pieces per pallet, 576 pieces per 53-foot container
Manufacturing Location	Cells made in USA, modules assembled in Indiana
First Year Degradation	Less than 2%
Annual Degradation (After Year 1)	Less than 0.45% per year
30-Year Power Retention	84.95%

Certifications & Compliance

Documentation

Product Datasheet (PDF)

● Available | Contact us for lead time and pricing

//www.portlandiaelectric.supply/cdn/shopifycloud/storefront/assets/no-image-2048-a2addb12.gif

Prepare for Anything

From hurricanes to blackouts, reliable solar power ensures you're able to keep your home & family safe no matter what comes your way.

Solar Power Made Easy

Making one-click solar solutions simple since 2018. Whether you’re powering a cabin, charging devices, or backing up your home.

Secure Your Independence

Say goodbye to reliance on the energy companies. Enjoy the same freedom that 50,000+ customers have with their own solar power system.

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.