Jinko Tiger Neo (N-Type TOPCon) vs LONGi Hi-MO 6 / Hi-MO 7 / Hi-MO 9 (HPBC) Solar Modules
Answer-First Procurement Verdict
Choose JinkoSolar Tiger Neo N-Type TOPCon (580–625W , 610W , and 670W Tiger Neo 3.0 ) when high rear-side albedo gain is central to project economics—delivering 80±5% to 85±5% bifaciality and up to 24.8% module efficiency in utility ground-mount and elevated agrivoltaic arrays.
Choose LONGi Hi-MO 6 / X6 Explorer (575–590W and 610W ), Hi-MO 7 (610W ), or Hi-MO 9 (670W HPBC 2.0 ) when zero front-side busbar shading , up to 24.8% module efficiency (with up to 80% bifaciality on Hi-MO 9), and a 12-year product / 30-year power warranty fit constrained C&I factory rooftops or agrivoltaic installations.
Cross-border solar buyers sourcing container-load crystalline silicon PV modules from China increasingly choose between two dominant high-efficiency cell architectures: JinkoSolar's N-type Tunnel Oxide Passivated Contact (TOPCon) lineup (spanning the Tiger Neo 72HL4/78HL4 series and the 670W Tiger Neo 3.0) and LONGi's Hybrid Passivated Back Contact (HPBC / HPBC 2.0) portfolio (spanning the Hi-MO 6 / X6, Hi-MO 7, and 670W Hi-MO 9 families). Below is a complete engineering, electroluminescence (EL) quality-control, and landed-cost TCO comparison compiled from Tradvolt procurement SOPs and corridor models.
1. Side-by-Side Module Architecture & Electrical Comparison
The table below compares the core electrical parameters, cell metallization designs, bifaciality ratings, and degradation profiles across the Jinko Tiger Neo TOPCon and LONGi Hi-MO 6 / 7 / 9 families.
| Parameter | Jinko Tiger Neo (72HL4 / 78HL4 & Tiger Neo 3.0) | LONGi Hi-MO 6 / Hi-MO X6 Explorer & Hi-MO 7 | LONGi Hi-MO 9 (LR7-66HGD-670M / 670W Class) |
|---|---|---|---|
| Cell Technology & Busbar Layout | N-type TOPCon; SMBB front and rear grid fingers | HPBC (Hybrid Passivated Back Contact); zero front busbars, rear interdigitated solder pads (cell eff. >25.5% HPBC / >25.8% HPBC+) | HPBC 2.0 back-contact architecture |
| Representative Model Numbers | JKM580-625N-72HL4-(V) ; 78HL4-BDV (610W) ; JKM670N-66HL4M-BDV / JKM-N-66HL4R-V (Tiger Neo 3.0) | Hi-MO X6 Explorer LR5-72HTH ; Hi-MO 6 LR5-66HTH (610W) ; Hi-MO 7 LR5-72HGD-610M / LR7-72HGD | LONGi Hi-MO 9 670W (LR7-66HGD-670M) |
| Nominal STC Power Range | 580–625W (72HL4) ; 610W (78HL4-BDV) ; 670 Wp (Tiger Neo 3.0) | 575–590W (LR5-72HTH) ; 610 Wp (LR5-66HTH & Hi-MO 7) | Up to 670W |
| Module Efficiency (STC) | 23.2% (72HL4) ; up to 24.8% (Tiger Neo 3.0 670W) | 22.8% (Hi-MO X6 LR5-72HTH) ; 22.60% (Hi-MO 7 610W) | Up to 24.8% |
| Open-Circuit Voltage (Voc) & Isc | Tiger Neo 3.0: Voc ~46.5V (51.20V typ. manual limit ≤55V), Isc ~18.42A (18.21A typ., Imp 17.32A) | Hi-MO 7: Voc 52.36V (48.40V typ. manual limit ≤52V), Isc 14.69A (14.94A typ., Imp 13.98A) | Confirmed per OEM datasheet at RFQ |
| Bifaciality Factor | 80±5% (72HL4) ; 85±5% (Tiger Neo 3.0) | 70–80% (610W agrivoltaic reference family) | Up to 80% |
| Temperature Coefficient (Pmax) | -0.29%/°C | -0.29%/°C (LR5-72HTH) | Confirmed at RFQ |
| Degradation & Warranty Profile | ≤1.0% Year-1 & ≤0.40%/yr linear degradation | ≤1.0% Year-1 & ≤0.40%/yr linear degradation | 12-yr product / 30-yr power warranty (0.50%/yr modeled in VN rooftop scenario) |
| Dimensions (Reference Frame) | Standard 72/78-cell utility/C&I footprint | 2,278×1,134×30 mm (LR5-72HTH) | 66-cell utility/C&I footprint (LR7-66HGD) |
2. Pre-Dispatch Electroluminescence (EL) Quality Control Differences
Because N-type TOPCon and HPBC back-contact cells distribute current through fundamentally different metallization geometries, pre-shipment Electroluminescence (EL) inspection per IEC TS 60904-13:2018 requires distinct forward-bias settings and defect classification rules. As detailed in Tradvolt's Solar Module EL Imaging QC SOP (Jinko Tiger Neo 3.0 / LONGi Hi-MO 7):
- Darkroom & Sensor Calibration: Modules must acclimate for ≥30 minutes in a dark imaging bay (≤1.0 lux) and be imaged with a cooled silicon CCD (Si-CCD, ≥1 MP, 900–1,100 nm spectral band with a long-pass filter cutoff around 950 nm) over a 1–30 s exposure window .
- Forward-Bias Injection Currents: Under OEM service manuals
JKM-TN3-EL-SM rev.2.1andLR5/6-HM7-EL-SM rev.1.3, dual-current screening injects 1.0×Isc (or 0.95×Isc typical setpoint: ~17.3 A for Jinko Tiger Neo 3.0 vs ~14.2 A for LONGi Hi-MO 7) to reveal micro-cracks and finger breaks, alongside low-current 0.1×Isc screening to isolate shunts and potential-induced degradation (PID) . - Metallization Signature & AQL Sampling: Jinko's Tiger Neo 3.0 displays super-multi-busbar (SMBB) front and rear grid fingers, whereas LONGi's HPBC cell design features zero front busbars and rear interdigitated solder pads . Lots are sampled under ISO 2859-1:1999 General Inspection Level II (AQL 1.0 major / 4.0 minor; e.g., 80-module sample for a 501–1,200 module lot, accepting ≤2 major and ≤7 minor defects) across a typical 72-hour pre-dispatch cycle .
3. Landed Cost & TCO Comparison Across Agrivoltaic and C&I Rooftop Corridors
To evaluate how 610W and 670W TOPCon and HPBC modules perform in project finance models, the table below summarizes Tradvolt's 100 kWp China-to-Lithuania agrivoltaic benchmark (comparing LONGi Hi-MO 6 LR5-66HTH 610W and Jinko Tiger Neo 78HL4-BDV 610W) alongside the 1,000 kWp (1 MWp) China-to-Vietnam factory rooftop scenario using LONGi Hi-MO 9 670W HPBC 2.0 modules.
| TCO / Landed Cost Metric | 100 kWp Lithuania Agrivoltaic Array (610W LONGi Hi-MO 6 / Jinko Tiger Neo) | Per-Module Lithuania Agrivoltaic Model (610W Reference Family) | 1,000 kWp Vietnam Factory Rooftop (670W LONGi Hi-MO 9 HPBC 2.0 + Sungrow SG125HX) |
|---|---|---|---|
| Module & Inverter Pairing | 610W LONGi Hi-MO 6 (LR5-66HTH) or Jinko Tiger Neo N-type 78HL4-BDV | Single 610W bifacial module (21.5–22.8% eff., 70–80% bifaciality) | LONGi Hi-MO 9 670W (HPBC 2.0, up to 24.8% eff., up to 80% bifaciality) + Sungrow SG125HX |
| CapEx Breakdown | €55,000 Total CapEx (€21,900 modules EXW + €3,400 freight/port + €9,200 agrivoltaic mounting + €6,500 inverter + €4,800 DC/AC cables + €9,200 labor) | €249.63 CapEx per module (ex-duty & VAT) | Illustrative benefit-side scenario (FOB, freight, duty/VAT, BoS, EPC quoted per RFQ) |
| Annual OpEx & Mid-Life Replacement | €1,450/yr OpEx; €4,200 Year-13 inverter replacement | Scaled per module over 25-year horizon (6.00% WACC, €0.18/kWh avoided tariff) | ~1,300 kWh/kWp/yr specific yield; $0.0948/kWh avoided tariff (1.00%/yr escalation) |
| 25-Year Net Present Value (NPV) | €93,517.85 | €588.87 per module | $1,429,969.66 (at 8.00% discount rate; $3,477,458.58 undiscounted 25-yr benefit) |
| Internal Rate of Return (IRR) | 21.81% | 24.69% (0.2469) | Quoted upon binding CapEx attachment |
| Simple Payback & LCOE | 5.14 yr simple payback; €0.0568/kWh LCOE | 4.15 yr simple / 4.89 yr discounted payback; €0.0538/kWh LCOE | Baseline HS 8541 / 8541.43 customs classification |
4. When to Choose Jinko Tiger Neo (TOPCon) vs LONGi Hi-MO 6 / 7 / 9 (HPBC)
When to Choose JinkoSolar Tiger Neo (N-Type TOPCon)
- High-Albedo Ground Mount & Agrivoltaic Projects: Jinko's N-type TOPCon cell structure achieves 80±5% bifaciality on the 580–625W
JKM580-625N-72HL4-(V)series and 85±5% bifaciality on the 670W Tiger Neo 3.0 (JKM670N-66HL4M-BDV) . On elevated agrivoltaic racking—such as the 100 kWp Lithuania deployment with €9,200 in specialized agrivoltaic mounting, €55,000 total CapEx, and €0.0568/kWh LCOE —higher rear-side conversion directly boosts kWh yield per square meter. - Lower String Voltage / Higher Current Inverter Matching: At 670 Wp, the Tiger Neo 3.0 operates at a lower Voc of ~46.5V and higher Isc of ~18.42A compared to LONGi's 72-cell Hi-MO 7 (Voc 52.36V, Isc 14.69A) , allowing longer module string counts before hitting 1,000V or 1,500V cold-weather Voc ceilings.
- Established N-Type Degradation Curve: With ≤1.0% Year-1 degradation and ≤0.40%/yr linear annual degradation plus a -0.29%/°C temperature coefficient , Tiger Neo modules maintain predictable 25-to-30-year cash flows.
When to Choose LONGi Hi-MO 6 / X6, Hi-MO 7, or Hi-MO 9 (HPBC)
- High-Density Factory & C&I Rooftops (Hi-MO X6 & Hi-MO 9): Eliminating front-side grid busbars moves all electrical contacts to rear interdigitated solder pads , lifting cell efficiency above 25.5% (HPBC) and 25.8% (HPBC+) . For flush-mounted C&I rooftops where rear-side irradiance is minimal, the LONGi Hi-MO X6 Explorer LR5-72HTH (575–590W, 22.8% efficiency, 2,278×1,134×30 mm) and LONGi Hi-MO 9 670W (HPBC 2.0, up to 24.8% module efficiency, up to 80% bifaciality, 12-yr product / 30-yr power warranty) maximize front-side photon capture.
- Moderate-Current String Architectures (Hi-MO 7 610W): Where BOS cables or string inverter MPPT inputs are current-limited, the LONGi Hi-MO 7 LR5-72HGD-610M (610 Wp, 22.60% efficiency) operates at an Isc of 14.69A (Imp 13.98A) and Voc of 52.36V , keeping string currents well below 16A MPPT input thresholds.
5. Related Tradvolt TCO Dossiers & Quality-Control SOPs
- Process SOP — Solar Module EL Imaging QC (Jinko Tiger Neo 3.0 / LONGi Hi-MO 7) CN→KZ
- Import 610W Bifacial PV Module (LONGi Hi-MO 6 / Jinko Tiger Neo) from China to Lithuania — Agrivoltaic TCO & Landed Cost
- Import LONGi Hi-MO 9 670W HPBC + Sungrow SG125HX from China to Vietnam — Factory Rooftop TCO
- Solar PV + Battery Storage C&I Procurement SOP
- Solar Modules — Landed Cost & Procurement Hub
Request a project-specific FOB, CIF, or DDP landed-cost quote with pre-dispatch EL imaging QC included.