SKU: 3818165689

JA Solar DeepBlue 3.0 Light JAM54S31-405/MR 405W Black on Black 108 Half-Cell Mono Solar Panel

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Description

JA Solar DeepBlue 3.0 Light JAM54S31-405/MR 405W Black on Black 108 Half-Cell Mono Solar PanelTotal Inventory as of Wednesday, June 24, 2026: 2,011 (Minimum order: 4 Panels) Local warehouse pickup available, or discounted shipping may apply to these warehouse locations: Arlington, TX Las Vegas, NV Orlando, FL Sacramento, CA Tampa, FL. Contact us for a quote or more information. The JA Solar Deep Blue 3. 0 Light 405W MBB Half Cell Black Module is a high efficiency monocrystalline PERC solar panel featuring 11 busbars (11BB) and half cell

Total Inventory as of Wednesday, June 24, 2026: 2,011 (Minimum order: 4 Panels)
Local warehouse pickup available, or discounted shipping may apply to these warehouse locations: Arlington, TX / Las Vegas, NV / Orlando, FL / Sacramento, CA / Tampa, FL. Contact us for a quote or more information.

The JA Solar Deep Blue 3.0 Light 405W MBB Half-Cell Black Module is a high-efficiency monocrystalline PERC solar panel featuring 11 busbars (11BB) and half-cell technology. Delivering 20.7% module efficiency, it offers higher power output, better temperature-dependent performance, reduced shading losses, lower risk of hot spots, and enhanced mechanical load tolerance. With a sleek all-black design, it is ideal for residential off-grid or grid-tied installations where aesthetics and long-term reliability matter. Backed by a 25-year product and linear power output warranty.


Key Features & Benefits

405W Maximum Power: High power output for maximum energy harvest in limited roof space.

20.7% Module Efficiency: Converts more sunlight into electricity than standard panels.

11BB PERC Half-Cell Technology: 11 busbars and half-cell configuration reduce resistive losses, improve shading tolerance, and lower hot spot risk.

All-Black Aesthetic: Sleek black frame and cells for a premium, discreet appearance on residential rooftops.

Excellent Temperature Coefficient (-0.350%/°C): Better performance in high-temperature conditions compared to conventional panels.

High Mechanical Load Rating: Withstands front static load up to 5400Pa (112 lb/ft²) for durability in heavy snow and wind.

1500V Maximum System Voltage: Compatible with high-voltage string inverters for longer string lengths and lower BOS costs.

25-Year Product Warranty: Industry-leading 25-year product warranty.

25-Year Linear Power Output Warranty: 0.55% annual degradation ensures long-term performance.

Class II Safety and UL Type 1 Fire Rating: Meets international safety standards.


Technical Specifications (STC)

Specification Detail
Manufacturer JA Solar
Model JAM54S31-405/MR
Maximum Power (Pmax) 405W
Optimum Operating Voltage (Vmp) 31.21V
Optimum Operating Current (Imp) 12.98A
Open Circuit Voltage (Voc) 37.23V
Short Circuit Current (Isc) 13.87A
Module Efficiency 20.7%
Power Tolerance ±2%
Maximum System Voltage 1500V DC
Maximum Series Fuse Rating 25A

*STC: Irradiance 1000 W/m², Cell Temperature 25°C, AM 1.5G*


Technical Specifications (NOCT)

Specification Detail
Rated Max Power (Pmax) 306W
Open Circuit Voltage (Voc) 35.12V
Max Power Voltage (Vmp) 29.47V
Short Circuit Current (Isc) 11.10A
Max Power Current (Imp) 10.38A

*NOCT: Irradiance 800 W/m², Ambient Temperature 20°C, Wind Speed 1 m/s*


Temperature Characteristics

Specification Value
Temperature Coefficient of Pmax (γ) -0.350% / °C
Temperature Coefficient of Voc (β) -0.275% / °C
Temperature Coefficient of Isc (α) +0.045% / °C
Nominal Module Operating Temperature (NOCT) 45 ± 2°C

Mechanical Specifications

Specification Detail
Dimensions (L x W x H) 1722 x 1134 x 30 mm (67.8 x 44.6 x 1.2 in)
Weight 20.9 kg (46.3 lbs)
Cell Type Monocrystalline PERC, 182 mm
Number of Cells 108 (6 x 18) half-cells
Number of Busbars 11
Frame Black anodized aluminum
Front Glass 3.2 mm tempered glass
Junction Box IP68 rated, 3 bypass diodes
Output Cables 4.0 mm², 1200 mm (47.2 in) or customized length
Operating Temperature Range -40°C to +85°C

Load Ratings

Specification Value
Max Static Load Front 5400 Pa (112 lb/ft²)
Max Static Load Rear 2400 Pa (50 lb/ft²)

Warranty Information

Parameter Value
Product Warranty 25 years
Performance Warranty 25 years linear
Annual Degradation 0.55%
Performance at Year 25 84.8%

Certifications & Compliance

Standard Description
IEC 61215 Performance
IEC 61730 Safety
UL 61215 US performance standard
UL 61730 US safety standard
ISO 9001:2015 Quality management
ISO 14001:2015 Environmental management
ISO 45001:2018 Occupational health and safety
IEC TS 62941:2016 PV module design qualification
Fire Type (UL) Type 1
Safety Class Class II

Product Documents

Full Datasheet: Download PDF


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 3818165689

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4.6 ★★★★★
Based on 12 reviews
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Product Reviews
J
Verified Purchase
jack brice
Grantham, US
★★★★★ 1
Would not every buy marc Joseph shoes ever
Size: 11 Wide, Color: Black
The marc Joseph shoes did not hold up had a blow out rightside of shoes had the shoes for about two weeks when my wife noticed and say that not good.i buy Cohen shoes and Clarke shoes
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
J
Verified Purchase
Jon F
Draper, US
★★★★★ 2
Great shoe, horrible lace design.
Size: 13, Color: White, Size: 13, Color: White
This shoes look great and the materials for the actual shoe feel great. They run a little big that doesn't bother me. Unfortunately, the lace design is horrible. I've now have 2 pairs of these shoes and both times the bottom lace has ripped out of the stitching. The first time was on the 2nd day I wore them, and the replacement pair to those it happened after I walked 20 feet. Both times I've tied a knot in the bottom lace so that I could get through the day. Ideally these laces should be connected together and not attached to the shoe (this is how both of my Skechers Slip-ins are designed). Because I like the rest of the shoe so much I'm buying elastic laces to replace the horrible original laces.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 14, 2025
A
Verified Purchase
Amazon_Customer
San Leandro, US
★★★★★ 5
The "Lazy Professional" Look: Is Hands-Free Luxury Actually Real?
Size: 9.5, Color: Black Napa Leather
Living down here in Florida, my footwear needs are pretty specific. It’s hot, it’s humid, and I spent half my life rushing from the car into work or a meeting. I’ve reached that age where I value efficiency just as much as style—maybe more. I’ve been eyeing the Marc Joseph New York Hands-Free Slip-on Penny Loafers for a while, and after putting them through the wringer, here is the honest truth from someone who just wants to look sharp without the hassle. The "Just Step-In" Reality Look, the big selling point here is the "Hands-Free" tech. We’ve all seen the commercials for those athletic slip-ins, but finding that in a legitimate leather penny loafer is a different game. Does it work? Yes, surprisingly well. The heel counter is firm enough that it doesn’t collapse when you slide your foot in, but it doesn’t feel like a piece of plastic digging into your Achilles once you’re in. For those of us who are tired of bending over or hunting for a shoehorn every morning, this is a genuine quality-of-life upgrade. The Florida Factor: Comfort and Style The leather is actual calfskin (on most models), which is a must for the Florida heat. Synthetic shoes turn into a sauna within ten minutes, but these breathe reasonably well. The aesthetic is classic—it’s a "professor" shoe through and through. You can wear them with chinos and a blazer for work or throw them on with some nice jeans for a weekend lunch. Inside, they’ve got a gel heel insert and a padded footbed. It’s not quite "walking on a cloud"—let’s not over-hype it—but it’s a massive step up from the hard, flat soles of traditional dress loafers. I’ve spent four hours on my feet lecturing, and my arches didn’t hate me by the end of the day. The Sizing Gamble Here’s where you need to be careful. The consensus from other guys (and my own experience) is that the sizing is a bit of a coin toss. They tend to run a little large and sometimes wide. If you have narrow feet, you might find the sides "gaping" or flaring out when you walk, which kills the sleek look. I’d recommend ordering a half-size down if you’re usually between sizes. The Breakdown The Pros: True Hands-Free: You can actually put these on while holding a coffee and a briefcase. No hands needed. Legit Materials: The calf leather feels premium and smells like the real deal. Versatility: Perfectly bridges the gap between a "car shoe" and a formal loafer. Comfort: The gel insert makes a noticeable difference for long-duration wear. The Cons: Sizing Inconsistency: They can run wide, leading to some "heel slip" if you don't get the perfect fit. Break-in Period: The heel is stiff by design (to allow for the slip-on feature), so expect a day or two of minor stiffness. Price Point: They aren't cheap, though often on sale. Value for Money Are they worth it? If you’re comparing them to high-end Italian brands that cost $500, these are an absolute steal. They look 90% as good for a fraction of the price. However, if you're used to $60 mall shoes, the jump to $150+ might feel steep until you realize you’re paying for the convenience of never having to touch your shoes to put them on. For a daily driver in a professional setting, the value is definitely there.
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Reviewed in the United States on April 10, 2026
E
Verified Purchase
Edward A. Cleveland
Lake Worth, US
★★★★★ 5
Step In Look Good
Size: 11.5, Color: Cognac Napa Leather
I am wearing these shoes as I write this review, and they look and feel great. I have a bit of a disability with drop foot on the right leg and bilateral neuropathy and have been wearing step in shoes for about 10 years. But the first company that introduced leather dress and casual shoes stopped making them and now only makes sport and casual shoes. So I have been searching for some that meet my need for shoes like this and this company has given me three pairs, so far. Easy to get into, comfortable to wear, and good looking. And they take polish very well, too. (Remember how to do that?). We may buy another pair or two in different styles as well.
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Reviewed in the United States on April 26, 2026
B
Verified Purchase
Book dude
West Palm Beach, US
★★★★★ 4
Runs tight. Skinny and smaller than other brands.
Size: 8.5, Color: Brown
Comfy and lots of support. Cushiony. Beware: the brown I ordered runs small. Tighter than other brands.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026

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