SKU: 44825630479

Longi 490W S10 HJBB Double Glass Bifacial All Black Solar Panel

Sale price$100.23 Regular price$111.37
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

Longi 490W S10 HJBB Double Glass Bifacial All Black Solar PanelLONGi S10 490W Mono 54cell All Black SDM1 Solar Panel The LONGi 490W S10 HJBB is a premium all black solar panel designed for high end residential and commercial systems. Featuring cutting edge HIBC back contact cell technology, it delivers exceptional efficiency and reliability with a sleek, seamless appearance. Its dual glass design enhances durability, while the low temperature coefficient ensures stable performance in all conditions. Key Features

LONGi S10 - 490W Mono 54cell All Black SDM1 Solar Panel

The LONGi 490W S10 HJBB is a premium all-black solar panel designed for high-end residential and commercial systems. Featuring cutting-edge HIBC back-contact cell technology, it delivers exceptional efficiency and reliability with a sleek, seamless appearance. Its dual-glass design enhances durability, while the low-temperature coefficient ensures stable performance in all conditions.

Key Features

  • High Efficiency: 24.0% maximum module efficiency for superior energy yield in limited space.
  • Dual Glass Design: 2.0mm + 1.6mm semi-tempered glass for improved strength and extended lifespan.
  • Robust Durability: Withstands front loads up to 6000Pa and rear loads up to 3600Pa for wind and snow resistance.
  • Real Black Aesthetic: Full black finish with no visible gridlines for a modern, clean look.
  • Advanced HIBC Technology: Higher energy output in all weather conditions and reduced shading losses.
  • Enhanced Longevity: 30-year linear power output warranty and 30-year materials and workmanship warranty.
  • Fire Rating Class A: Certified to IEC fire safety standards for peace of mind.

Specifications

  • Model: LR7-54HJBB-490M
  • Cell Type: Monocrystalline HIBC (Half-Cut, 108 cells)
  • Rated Power (Pmax): 490 W
  • Module Efficiency: 24.0%
  • Open-Circuit Voltage (Voc): 41.25 V
  • Short-Circuit Current (Isc): 15.04 A
  • Voltage at Max Power (Vmp): 34.07 V
  • Current at Max Power (Imp): 14.38 A
  • Power Tolerance: 0 ~ +3%
  • Maximum System Voltage: 1500 V (IEC)
  • Maximum Series Fuse Rating: 30 A
  • Temperature Coefficient (Pmax): -0.24% / °C
  • Temperature Coefficient (Voc): -0.21% / °C
  • Temperature Coefficient (Isc): +0.05% / °C
  • Nominal Operating Cell Temperature (NOCT): 45 ± 2 °C
  • Operational Temperature Range: -40 °C to +85 °C
  • Dimensions: 1800 × 1134 × 30 mm
  • Weight: 23.5 kg
  • Frame: Black anodized aluminium alloy
  • Glass: Dual glass (2.0mm front / 1.6mm rear semi-tempered)
  • Junction Box: IP68 rated
  • Connector Cable: 4mm², +400mm / -200mm (customisable ±1200mm)
  • Mechanical Load: 6000Pa (front) / 3600Pa (rear)
  • Fire Rating: Class A (IEC)

Applications

Ideal for residential rooftops, small commercial projects, and design-conscious installations where performance and aesthetics matter.

What’s Included in the Box

  • 1× LONGi 490W S10 HJBB Mono 54-Cell All Black Solar Panel

  • Product documentation & warranty information

Why Buy This Product

  • High Power Output: 490W with excellent power density around 240 W/m², delivering more energy per square metre.
  • 108 Half-Cells Layout: Reduces shading losses, improves performance under partial shade, and enhances durability.
  • All-Black Design: Black frame and black backsheet for a sleek, uniform appearance that suits rooftop aesthetics.
  • Glass-Glass Module Structure: For enhanced mechanical strength, better moisture resistance, and a longer lifespan.
  • Exceptional Durability: Designed to withstand heavy snow loads (6000 Pa), strong wind loads (3600 Pa), and hail resistance class RG3.
  • Long-Term Investment: 30-year warranty for both performance and materials.
  • Environmentally Friendly: Low carbon footprint across the full lifecycle.

Combined with LONGi’s reputation as one of the world’s leading solar manufacturers, this panel represents a strong investment in both clean energy and long-term value.

Disclaimer:


All product information provided by Solareon UK is intended for general guidance only and may be subject to change or error. Solareon UK does not accept liability for any inaccuracies or omissions in the product specifications displayed. For accurate and detailed technical information, please refer to the manufacturer’s official datasheet available in the 'Downloads' section. We strongly advise confirming all critical details directly with the manufacturer prior to making purchasing or installation decisions.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • 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: 44825630479

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David Smyth
Lowell, US
★★★★★ 4
Incredible little steam mop!
The Steam mop was easily put together by my 12 year old daughter. I put distilled water in it and turned it on, and within seconds, it was ready to use. I was very impressed how the steam mop cleaned my ceramic tiles in the kitchen. It left the tiles streak free and shiny. I haven't tried the tile accessory tool but I'm sure it won't disappoint. Finally, I used it on my LVP and it was fantastic! The steam mop was incredibly easy to use and it cleaned the LVP without leaving any residue or streaks. Overall this steam mop was inexpensive and performed better than expected. Buy it !
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Reviewed in the United States on June 4, 2026
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Adan Licea
Draper, US
★★★★★ 5
Good Mop for home use
It’s been a really nice steam mop to have. It heats up quick and it produces a good amount of steam. The handle is sturdy. The extra mop pad is extremely useful. The swivel is also quite nice; letting me get those spots at different angles. The water tank has a good capacity for the jobs. More than enough for what I’ll be using it for; like the kitchen and living rooms. Another plus is how lightweight it is compared to other mops I’ve used. Overall, really good value for a steam mop.
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Reviewed in the United States on May 16, 2026
M
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MishMishK
West Palm Beach, US
★★★★★ 5
Works good for me.
Very easy to put together. Holds plenty of water to mop a large area. Comes with 2 microfiber pads that are washable. Didn’t leave a lot of water on the floor. My floor dried quickly especially with the ceiling fan on. You do have to vacuum debri up first then mop. Nice attachment to steam clean other things in the house if needed. Does a good job for the price.
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Reviewed in the United States on June 5, 2026
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Verified Purchase
Steluța
Draper, US
★★★★★ 5
Powerful Steam Mop for Easy Deep Cleaning.
Color: White, Color: White
I’m very happy with this steam mop! It heats up quickly and cleans my floors really well without using harsh chemicals. The detachable handheld steamer is super useful for cleaning bathrooms, kitchen corners, and even windows. I also like the long power cord and the different attachments that make cleaning easier. Lightweight, easy to use, and a great value for the price! If you have a small kids or baby it’s impossible to keep the floor clean, because they are dropping all the time milk, water, juice but this steam mop help me a lot.
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Reviewed in the United States on May 21, 2026
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GB
New York, US
★★★★★ 5
Light Steam Mop
Color: White
I’ve been using this steam mop around the house and it’s been pretty decent. It heats up fast and the steam is strong enough to lift the usual kitchen and hallway mess without me scrubbing forever. The water tank isn’t huge, but it lasts long enough for a quick clean of a couple rooms. The handheld part is actually useful. I’ve used it on the bathroom tiles and around the stove, and it does a better job than sprays. It’s light enough, though after a while you feel it a bit in the wrist. The long cord helps so I’m not constantly unplugging it. The mop pads stay on and wash fine. The only thing that bugs me is the head doesn’t swivel as smoothly as I expected, so getting under low furniture takes a bit of angling. Overall, it’s a good everyday steam mop.
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Reviewed in the United States on May 21, 2026

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