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Maximize Light Absorption with BC Back‑Contact Design:
All metal contacts are moved to the rear of cells. Zero front‑side grid‑line shading greatly expands effective light‑capturing area, realizes superior conversion efficiency and generates more power under identical sunlight conditions.
Lower Resistive Loss via Half‑Cut Technology:
Laser‑split half‑cut cells reduce string current, cut internal resistance loss significantly. Dual independent circuit layout further improves real‑world output performance compared with conventional full‑cell panels.
Superb Shade & Low‑Light Performance:
BC structure plus half‑cut dual‑circuit design minimizes power drop when partial shading from leaves, dust or obstacles occurs. It maintains steady energy output on cloudy days, early morning and dusk for better low‑light adaptability.
Greatly Reduced Hot‑spot Risk & Slow Degradation:
No front metal electrodes and decreased operating current suppress hot‑spot overheating risk. Ultra‑low power attenuation keeps stable power generation for long‑term outdoor service, extending panel service life.
Premium All‑Black Appearance & Solid Outdoor Durability:
Sleek uniform all‑black look fits various installation scenarios. Corrosion‑resistant aluminum frame withstands wind and snow load. Built‑in bypass diodes further mitigate shading‑caused power loss for off‑grid 12V /24V battery charging.
300W Solar Panel Size:53.31*30.2in.BC back‑contact cells eliminate front grid‑line shading for higher light utilization/Half‑cut technology reduces internal resistance loss and boosts actual power output/Excellent anti‑shading and low‑light performance with dual independent circuit/Effectively suppress hot‑spot risk, ultra‑low degradation for long service lifespan/All‑black aesthetic design, durable aluminum frame for RV & off‑grid applications. Shipping About us Payment Ruturns Contact us Shipping
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- All of our items are backed with a 30-day return policy. We ensure all our items are new and in excellent condition prior to shipping. In case you receive the item that is not to the standards above, please contact us via e-Bay messages. All returns must be in new original condition as received and should be shipped with delivery confirmation
- Please note that all returns must be pre-approved by us. Unauthorized returns will not be accepted. If you need to return, please check twice to confirm the item not work and contact our customer service representative, let us know the detailed problem and send us some pictures for confirmation.
- We ONLY accept returns with original package. Please make sure that item has NO man-made sabotage. Used items will not be accepted for return.
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