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JA Solar 385W Solar Panel 108 Cell JA-JAM54-S31-385MR

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All JA Solar products All 385 Watt Panels

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Specification

Length67.8in
Width44.65in
Price per Watt$0
Rated Power Output 385 W
Voltage (VOC)30.46V
Number of cells108
Cell TypeMonocrystalline
Rated Efficiency19.7%
Connector TypeMC4 or MC4 compatible
Backsheet Colorblack
Frame Colorblack
Dimensions LxWxH67.8 x 44.65 x 1.18 in
Weight47.4lbs
Pallet Qty36
ManufacturerJA Solar
Manufacturer Part #JAM54S31-385MR
Operating Temperatures −40°F to +185°F
Scope of Application
  • Solar Panels for Boats
  • Solar Panels for Home
  • Solar Panels for RV
Use
  • Commercial
  • Grid-Tie
  • Off-Grid
  • Residential
Warranty12-year warranty extendable 25 years
Delivery Time 5-7 business days

About product

JAM54-S31 is a model that uses a number of technologies to bring durability and performance to the next level. The Passivated Emitter Rear Contact (PERC) technology ensures excellent power output. This solar cell type employs an additional reflective layer to absorb more sunlight. 

Half-cut cell technology adds a few more percent to the overall performance, making this model a great example of efficiency. JA Solar made solar cells in JAM54-S31 two times smaller than the standard size, thus reducing power loss and improving low-light behavior. Given its size and weight, JAM54-S31 efficiency of 19.7% is quite impressive. Novel design solutions allow this panel to look as well as it performs. This model is just 1.18" in depth and is jet black with a sleek finish. The panel's functionality and durability are not affected by its aesthetic appeal though. JA Solar provides an industry-leading 25-year performance warranty and a 12-year product warranty. 

  • 108 half-cut PERC cells
  • 385 W nameplate capacity
  • 19.7% efficiency
  • 1500 V DC maximum system voltage
  • MC4 connectors
  • 12 years of product and 25 years of performance warranty


Higher efficiency of up to 19.7%

The highest power output is guaranteed by JA Solar JAM54-S31 with an efficiency of up to 19.7%. Such outstanding performance is the product of PERC technology and an effective antireflective coating. This is notably above average, which will translate into significant additional savings over the course of operation.

Exceptional performance in hot temperatures

A low temperature coefficient provides more energy output at high working temperatures. JAM54-S31 loses just 0.275 percent efficiency for every 1.8°F over 77°F.

Quality and reliability

JAM54-S31 receives multiple quality checks throughout the manufacturing process and is subject to stringent quality and reliability testing. The manufacturing facilities are highly automated, eliminating the risk of human error. JA Solar is dedicated to quality, safety and reliability to ensure you get the very best.

Reliability and degradation resistance

JA Solar guarantees slow deterioration over the next 25 years. The performance will decline by no more than 2% during the first year and then by no more than 0.55% every year after that. After the 25 years are over, your modules will retain at least 84.8% of their original performance. This 385 W JA Solar solar panel also comes with a substantial 12-year product warranty.

Enhanced frame design

This model's construction makes it perfect for both residential and business rooftops. Durability and strength are increased by using a strong, robust frame built from anodized aluminum. A significant snow load of up to 3600 Pa may be supported by the model. The panel's back can support 1600 Pa, assuring that even the strongest winds won't damage your system.


Outstanding all-black design

The panel has a sleek, all-black style that complements any roof beautifully. JA Solar uses unique treatment and selection procedures to guarantee optimum cell color. The cells are connected by thinner wires, and from a distance, the surface of the modules seems seamless and smooth.

Size

67.8" x 44.65" x 1.18"

Weight

47.4 lb

Reviews & Questions

  • Reviews (2)
  • Questions (2)
I recently purchased this JA Solar 385 W model for my home, and I am extremely pleased with the results. As an environmental consultant, I prioritize using sustainable energy sources, and this panel provides an excellent option for anyone looking to reduce their carbon footprint. The panel is efficient and reliable, producing a high output of electricity with minimal maintenance required. I only wish there were more pickup centers nearby, I hope you work on that in the future
Alex
03/01/2023 02:31 pm
I'm a construction worker and we've been using these panels for a few weeks now. These are solid panels that get the job done. They're durable and can withstand the weather conditions at my worksite. It's not the cheapest option out there, but you get what you pay for. I've noticed a significant decrease in our electricity bills since installing these panels. Overall, I'm very happy with my purchase.
Jim
11/24/2022 02:39 pm

Leave a review

Hi dear, Only need to buy 12 panels of 385W at this moment . It that possible ?
Sos Zinsouply
03/04/2023, 14:26
A1SolarStore
Absolutely. The minimum number of panels for delivery is six, and there is no minimum for pickup.
Do you HAVE to have panel optimizers, I don't want the added expense .
A. H.
03/02/2023, 19:29
A1SolarStore
Power optimizers are by no means necessary and should only be purchased when the potential benefits justify their cost.

FAQ

How much is shipping and how long is delivery?
Our standard shipping charge is $250 for up to 11 panels and it is increased by $25 for every 4 additional panels. In the event, the product is only available on East or West coast custom quote will be sent to you before the order is processed. Normally, we are able to deliver solar panels within 7 business days.
What is the difference between low price panels and top price panels?
With top tier solar panels, you pay for the brand name, proprietary new technology, higher energy output, and better warranty support.
What are the dimensions of the panel?
Please refer to the product datasheet on the product page. We have a datasheet for every product we sell.
How long is the warranty on the panel?
In general, manufacturers provide a 25 year-long performance warranty and a 10 year-long equipment guarantee. Some manufacturers offer 12-15 years of warranty. More information is available in our warranty support section.
Which panels do you recommend for RV, marine?
We recommend Panasonic and Mission Solar panels for smaller systems as their high energy output and excellent craftsmanship guarantee years of service.
Can this panel be used with a 12v system?
Any of our panels can be used for a 12v system with a properly selected inverter and charge controller.
Can I pick up this panel from your fulfillment center to save on shipping?
Yes, we can set up a pick up at a local distributor. Please call to discuss options and stock availability.
How do I connect these panels?
To achieve the best system efficiency, panels should be connected in series to create higher voltage.
How many panels do I need?
This number is determined by your average energy needs. Depending on the type of panels and energy consumption, you might need anywhere from 12 to 45 solar panels. Remember, the more panels you install the more energy you will get.Please use our solar calculator to estimate your energy consumption and plan on building a solar system that will exceed your energy needs by 25%.
Do you offer discounts?
We do offer discounts for orders of over 50 units. Please contact us for details.
How do I build a solar system?
Please use our solar calculator to estimate what equipment you need. Choose your panels, microinverters, inverters, and solar batteries if necessary.Please note that we do not offer solar system design or installation.
How do solar panels compare?
Solar panels differ by power output, voltage, connection type, size, efficiency, and weight. Some solar panels might be sold together with microinverters as a set.
Can I build a solar system by myself as a Do It Yourself project?
Yes, it is possible if you understand what solar equipment you need and how to connect it together. However, please be mindful that handling your own electrical work without having proper experience might cause life-threatening injuries. Please contact a certified electrician if you do not possess appropriate electrical skills.
Can I connect and charge my solar panel battery directly with the solar panel?
We do not recommend using the solar panel without the charge controller. Using solar panels without the charge controller might damage the batteries.
Can I drill holes into the aluminum frame for mounting?
We do not recommend drilling any new holes to the aluminum frame of the panel as it could damage the internal circuit and solar cells. (Also, any modification to the panel will void the warranty). We recommend only using the pre-drilled holes for mounting.
Do solar panels require maintenance? Can I wash my solar panel?
Solar panels generally require very little maintenance. We recommend cleaning the solar panel with water, glass cleaner (Windex) and microfiber cloth.
Will my panel produce power in an overcast condition?
While solar panels require sunlight to generate solar energy, they will still work in cloudy weather. Even on a cloudy day, solar panels will produce energy just not as much.
Will my panels produce power if covered with snow?
Solar panels cannot produce electricity if covered with snow.
What is the best direction for a solar panel to face?
The best direction for a solar panel to face is the South