Longi has unveiled the Hi-MO 9 Prime, a new back-contact module based on HPBC technology that delivers up to 680 W of output and 25.2% efficiency through a redesigned stacked-cell architecture that eliminates inter-cell gaps and conceals busbars to maximize active area. The dual-glass module also features improved shading tolerance and enhanced reliability through LONGi's STAC interconnection technology.

Longi has unveiled the Hi-MO 9 Prime, a new back-contact module based on HPBC technology that delivers up to 680 W of output and 25.2% efficiency through a redesigned stacked-cell…

MUNICH, June 23, 2026 /PRNewswire/ -- LONGi, a global leader in green energy technology, introduced its Hi-MO9 Prime solar module series at Intersolar Europe (Booth A2.170). As…

The 24-7%-efficient module uses a simplified 54 half-cell shingled back-contact design with full rear-side electrical connections, which the company says improves efficiency,…