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☀ World's #1 Mono c-Si Manufacturer
LONGi Solar

LONGi Solar PV Modules

Hi-MO series — HPBC, TOPCon and Bifacial modules

LONGi Solar is the world's largest mono-crystalline silicon wafer and module manufacturer, founded in 2000 and listed on Shanghai Stock Exchange. Hi-MO X10 and Hi-MO 9 modules use LONGi's proprietary HPBC (Hybrid Passivated Back Contact) cell architecture, delivering up to 24%+ module efficiency and class-leading temperature coefficients. Econo Solar supplies the full Hi-MO range under FOB Shanghai with 24-hour RFQ response.

2000
Founded
85+
Annual Shipment
6
Active Series
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Why LONGi Solar

What Makes LONGi Solar a Tier-1 Choice

Four datasheet-verified advantages for B2B procurement teams.

⚡

HPBC Cell Architecture

LONGi's proprietary Hybrid Passivated Back Contact technology — all cell electrodes on the rear side eliminate front-surface shading and push module efficiency past 24%.

🌡

Best-in-Class Temperature Coefficient

−0.26%/°C (Hi-MO X10) — meaningfully better performance at high ambient temperatures, with measurable annual yield uplift in MENA and tropical climates.

🌅

Bifacial Variants

Glass-glass bifacial Hi-MO 9, Hi-MO 7 and Hi-MO 6 variants deliver 5-25% additional rear-side energy harvest on light-colored ground or rooftops.

🛡

30-Year Power Warranty

Linear performance warranty — 98% power output Year 1, 87.4% in Year 30. Backed by LONGi's investment-grade balance sheet (audited Shanghai SE filing).

Active Series

LONGi Solar Product Lineup

Current LONGi Solar module series available via Econo Solar distribution. Specific SKU and power binning available on RFQ — datasheets and current production binning shared on request.

SeriesCell TechnologyPower RangeMax EfficiencyFormatApplication
Hi-MO X10HPBC 3.0 n-type660–720 W24.4%+132 cells (66×2)Utility-scale, large C&I
Hi-MO 9HPBC n-type620–660 W23.5%+132 cellsUtility, C&I
Hi-MO 7TOPCon n-type565–615 W22.5%+144 cellsC&I rooftop, ground-mount
Hi-MO 6 ScientistHPBC p-type405–445 W22.8%+108 cellsPremium residential
Hi-MO 6 ExplorerHPBC p-type555–590 W22.5%+144 cellsLight commercial, large residential
Hi-MO 5Mono PERC535–555 W21.4%+144 cellsCost-optimized utility

📄 Need a specific datasheet or current SKU pricing?

Datasheets are updated quarterly and may include current/lot-specific binning. We share the latest datasheet PDF with every RFQ — alongside FOB Shanghai pricing, container yield and lead time.

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FAQ

Common Questions About Tier-1 PV Modules

Engineering and procurement answers about LONGi Solar and tier-1 module selection.

What's the difference between Mono PERC, TOPCon and HPBC cell technologies?
Mono PERC (Passivated Emitter and Rear Cell) is the legacy p-type cell — mature, lowest cost. TOPCon (Tunnel Oxide Passivated Contact) is n-type, dominant since 2023 — higher efficiency, better low-light, ~25 yr lifespan with lower degradation. HPBC (Hybrid Passivated Back Contact, LONGi proprietary) places all electrodes on the rear — eliminates front shading, pushes efficiency past 24%.
Does Econo Solar carry bifacial modules?
Yes — bifacial variants are available across LONGi (Hi-MO 9 / Hi-MO 7), Jinko (Tiger Neo NL4-BDV), Trina (Vertex N NEG19RC.20) and JA Solar (JAM72D42). Bifacial gain is typically 5-25% depending on installation height, albedo and tilt — design review provided with every quote.
What's the typical lead time for tier-1 PV modules from Econo Solar?
Stock SKUs ship from Chinese ports within 10-21 days FOB. Custom configurations (specific power class, transparent vs. white backsheet, glass-glass) require 4-6 weeks production lead time. Spot purchases of utility-scale containers (24-30 modules per container) shipped within 7 days for stock SKUs.
Can I mix brands across a single project?
Technically yes — but we recommend single-brand standardization within each string or sub-array to simplify O&M, warranty processing and visual consistency. Mixing brands across an inverter is acceptable provided electrical specs (Voc, Isc, Vmpp) match within tolerance.
What certifications do these modules carry?
All tier-1 brands carry full IEC 61215 / IEC 61730 / UL 1703 certifications. Country-specific certifications (BIS India, INMETRO Brazil, KEMCO Korea, SASO Saudi Arabia) issued on order. CE marked for European market access.

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