Out of stock

LONGi 440W Solar Panel 144 cell LNG-440-LR4-72HBD

price as of September 25
Solar Loan from 6.99%
All Longi Solar Technology products All 440 Watt Panels


Rated Power Output 440 W
Voltage (VOC)49.2 V
Cell number
  • 144 cell
Cell TypeMonocrystalline
Rated Efficiency20.2%
Connector TypeMC4 or MC4 comparable
Backsheet Color
  • white
Frame Color
  • silver
Dimensions LxWxH82.5 x 41 x 1.38 in
Weight60.6 lbs
ManufacturerLongi Solar Technology
Manufacturer Part #LNG-440-LR4-72HBD
Operating Temperatures -40 °F to +185 °F
Scope of Application
  • Solar Panels for Boats
  • Solar Panels for Commercial
  • Solar Panels for Home
  • Solar Panels for RV
  • Grid-Tie
  • Off-Grid
Delivery Time 5-7 business days

About product

LONGi bifacial solar panel is a great choice for commercial and utility-scale systems. Bifacial technology increases your energy harvest by up to 25%, compared to standard monofacial panels. This model comes with a 30 performance warranty from a well-known manufacturer.

  • 144 half-cut cell bifacial solar module
  • 440W rated power output
  • 20.2% efficiency
  • Open circuit Voltage (STC): 49.2V
  • Warranty: 12 years for product and 25 years for performance 

Bifacial technology increases output by 25%

LONGi bifacial modules have solar cells on both the front and the rear side. That allows the module to generate up to 25% more electricity than a standard monofacial panel. It’s especially useful when the space is limited and maximum production is a priority.

Outstanding 20.2% efficiency

Chinese panels reach 20.2% efficiency: much higher than average efficiency rate for monocrystalline panels. High efficiency ensures better energy production from a square foot.

30 year lifetime

The LONGi panel is backed up by a 12 year product warranty and a 30 year performance warranty. Annual degradation is at 0.45%. You are guaranteed to have over 84.95% after 30 years.

Resistant to harsh weather

LONGi panel is made to withstand 5400 Pa wind or snow load on the front side. It is tested to endure 25mm hailstones at the speed of 23 m/s. Cells are protected by an anodized aluminium frame and dual 2.0 mm tempered glass.


60.6 lb


82.5 x 41 x 1.38 in

Reviews & Questions

  • Reviews (3)
  • Questions (3)
It’s nice to see that bifacial panels also made their way to the market. I think they are a great option and not only for commercial, but for home systems as well. longi panels are good, my friend has them for four years already.
09/02/2021 02:10 pm
got the package! everything’s fine, thank you!
08/19/2021 09:39 am
We were looking for bifacial panels for quite a while and eventually settled on these ones. We’ve purchased a batch of those for our shop in California. The service was great, the delivery was on time. Performance is all right. Personally, I didn't like the design of panels too much, but it doesn’t affect the output, so it’s not a problem. Thank you very much. Donovan.
08/04/2021 02:09 pm

Leave a review

where are these panels made?
08/27/2021, 16:23
These are Chinese panels.
i looked up the datasheet and there wasn’t a 144-cell panel. i’m a little confused, what am i looking at?
08/11/2021, 09:12
144 cell panels are equivalent to 72 cell ones.
what is the size of a pallet (not the panel)?
07/17/2021, 09:11
82.5 x 41 x 1.38 in