--- title: "Jinko Solar JKM425-445N-54HL4R-BDB (STC column: 425W) Solar Panel: Specs & Datasheet | ComparePV" description: "Jinko Solar JKM425-445N-54HL4R-BDB (STC column: 425W) solar panel. Specs: 21.27% efficiency, Monocrystalline cells." source: "https://comparepv.com/panel/jinkosolar-jkm425-445n-54hl4r-bdb-stc-column-425w" image: "https://comparepv.com/og/panel/jinkosolar-jkm425-445n-54hl4r-bdb-stc-column-425w.png" updated: 2026-09-11 --- # Jinko Solar JKM425-445N-54HL4R-BDB (STC column: 425W) Middle of its segment, heavy for its output 1,220 panels in the segment TOPCon 400-450 W ## Identity - **Manufacturer:** Jinko Solar - **Model:** JKM425-445N-54HL4R-BDB (STC column: 425W) - **Series:** Tiger Neo 54HL4R-BDB - **Rated power:** 425 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 400-450 W (1220 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 425 W | 435 W | Typical | | | Module efficiency | 21.27% | 22.00% | Weak - bottom 10% | 8,918 | | Power density | 212.7 | 220.2 | Weak - bottom 13% | 8,800 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,220 | | Weight (kg) | 25.4 kg | 22.0 kg | Weak - bottom 5% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.27% | 22.00% | Weak - bottom 10% | 8,918 | | Power density | 212.7 | 220.2 | Weak - bottom 13% | 8,800 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,220 | | Weight per kWp | 59.8 | 51.5 | Weak - bottom 5% | 12,355 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Watch out for - **59.8 kg per kWp** - Bottom 5% of the TOPCon 400-450 W segment, against a median of 51.5. Ranked 12,355th in the whole database. - **21.27% module efficiency** - Bottom 10% of the TOPCon 400-450 W segment, against a median of 22.00%. - **212.7 watts per square metre** - Bottom 13% of the TOPCon 400-450 W segment, against a median of 220.2. - **Best for:** Residential, commercial, shaded-installations and hot-climate. - **Not ideal for:** Weight-limited structures, tight roof space and roofs where every square metre has to count. ## Specification ### Electrical - **Rated power (Pmax):** 425 W - **Efficiency:** 21.27 % - **Voltage at Pmax (Vmp):** 32.90 V - **Current at Pmax (Imp):** 12.92 A - **Open-circuit voltage (Voc):** 39.23 V - **Short-circuit current (Isc):** 13.77 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.290 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.045 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 108 - **Bifacial:** yes ### Physical - **Length:** 1762 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 25.4 kg - **Area:** 2.00 m2 - **Power density:** 212.7 Wp/m2 ### Warranty and degradation - **Product warranty:** 25 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 87.4 % - **First-year degradation:** 1.00 % - **Annual degradation:** 0.40 % - **Output after 30 years:** 371 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 8918 of 14129 | | Power density | 8800 of 14129 | | Temperature coefficient | 2220 of 14129 | | Weight | 12355 of 14129 | | Warranty | 21 of 14129 | ## Pros - **Low degradation: N-type TOPCon cells** - N-type TOPCon cells exhibit a linear annual degradation rate of 0.4%/yr and are free from LID (Light-Induced Degradation) common in legacy P-type PERC. The temperature coefficient of -0.29%/°C outperforms typical PERC values (-0.34 to -0.37%/°C), delivering measurably higher energy yield on hot summer days. - **30-year linear power warranty at 87.4%** - Jinko guarantees a minimum of 87.4% rated power after 30 years, with 1% first-year degradation and 0.4%/yr thereafter. Peer comparable SunEvo Solar SE6-46SC covers only a standard 25-year power warranty - Jinko Tiger Neo's extended horizon provides a real LCOE advantage for long-term project finance models. - **Bifacial glass-glass: rear-side energy gain** - The BDB glass-glass series delivers a bifacial factor up to 85%, with rear-side energy gains of 5-15% in ground-mount, carport, and white-roof installations. The dual 2.0 mm tempered glass simultaneously provides mechanical resistance: 6000 Pa snow load (front) and 4000 Pa wind load (rear), meeting structural requirements typical of central European climates. - **Jinko Solar #1 BNEF bankability - 10th consecutive year** - In the Bloomberg NEF 2024 PV Module Bankability Survey, Jinko Solar was the only manufacturer to achieve 100% bankability, with BNEF Tier-1 status confirmed in Q3 2025 and Q1 2026. For institutional investors or retail borrowers, this minimizes project financing risk and simplifies non-recourse loan qualification. - **All-black aesthetics without performance trade-off** - The BDB variant combines a black frame and dark cells with full bifacial N-type TOPCon specifications. Unlike conventional all-black panels that rely on P-type PERC and sacrifice efficiency for aesthetics, this series achieves 21.27-22.27% module efficiency without downgrading cell technology - premium appearance and high performance are delivered simultaneously. ## Cons - **Higher weight: ~24.5-25.4 kg** - The glass-glass dual-pane construction raises module weight to 24.5-25.4 kg versus ~20-21 kg for equivalent backsheet modules (e.g., JKM440N-54HL4R-B in the same power class). Rooftop retrofits may require a structural load assessment and heavier-duty racking hardware, adding to balance-of-system (BoS) costs. - **Bifacial gain limited on typical rooftops** - Effective rear-side energy gain depends on surface albedo. On common dark ceramic or asphalt tile roofs, albedo is typically 0.10-0.15, limiting the real bifacial bonus to 1-3% rather than the 10-15% achievable in ground-mount installations with high-reflectance surfaces. For standard residential rooftop systems on dark-colored tiles, a monofacial module may offer a more cost-optimal BoS configuration. ## About this series The Jinko Solar Tiger Neo 54HL4R-BDB series are bifacial glass-glass modules engineered for maximum yield under real-world conditions-including when operating under partial shade, with diffuse light, or on less-than-ideal rooftops. The application of N-type TOPCon technology enhances operational stability over time and reduces sensitivity to common degradation phenomena, ensuring sustained high energy production levels for years. The dual-glass construction improves mechanical durability and weather resistance, making it an ideal choice for demanding installation environments. This also represents an excellent option for systems where rear-side module gain is critical-ideal for installations on light-colored roofs, ground-mounted structures, carports, or farms with optimal light reflection. The BDB variant additionally features a sleek black aesthetic, complementing modern architectural designs. Its high resistance to PID and minimized hot-spot losses further enhance installation safety and operational predictability. ## Notable figures - Module efficiency of 21.3% is 0.7pp below average for \*\*TOPCon 400-450W\*\* panels (median: 22.0%) - At 212.7 W/m², this panel generates 7.5 W/m² less per unit area than \*\*TOPCon 400-450W\*\* median (220.2 W/m²) - At -0.29%/°C, hot weather performance is typical for \*\*TOPCon 400-450W\*\* panels - At 25.4 kg (3.4 kg above \*\*TOPCon 400-450W\*\* median of 22.0 kg), requires checking roof load capacity - 80% bifaciality enables rear-side power generation, boosting yield by 4-12% on reflective surfaces ## Questions ### What is the warranty on Jinko Solar Tiger Neo 54HL4R-BDB panels? The Tiger Neo 54HL4R-BDB series comes with a 25-year product warranty covering material and workmanship defects, plus a 30-year linear power warranty. After 30 years, the module retains at least 87.4% of its rated output. This is among the longest power warranties currently available in the market, significantly reducing long-term investment risk for homeowners and commercial operators alike. ### Is TOPCon technology in the Tiger Neo 54HL4R-BDB actually better than older PERC cells? Yes, N-type TOPCon cells offer several measurable advantages over P-type PERC. They are immune to LID (light-induced degradation) and LeTID (light and elevated temperature-induced degradation), both of which permanently reduce PERC module output over time. The 54HL4R-BDB reaches up to 22.27% efficiency and has a temperature coefficient of just -0.29%/°C, meaning less power loss on hot summer days compared to standard PERC panels. ### Is the bifacial Jinko 54HL4R-BDB worth it for a typical pitched roof installation? It depends on the roof surface color and material. On light-colored rooftops - white membranes, concrete, or pale ballast - the rear side of the module can contribute a few additional percent of annual energy yield. On dark asphalt or bitumen roofs, bifacial gains are negligible. The biggest bifacial benefit comes from ground-mount systems, carports, and solar farms. That said, the glass-glass construction itself offers superior mechanical strength and weatherproofing over back-sheet designs, which alone justifies the choice. ### What does the BDB designation mean in Jinko Tiger Neo 54HL4R-BDB, and is the panel truly all-black? BDB stands for bifacial dual black - a fully black aesthetic variant featuring a black anodized frame, black TOPCon cells, and a black rear glass. This makes the module a far better visual fit for modern architecture compared to standard silver-framed panels. It is a popular choice for visible roof installations and carport canopies where aesthetics matter but there is no willingness to compromise on Tier-1 performance. ### Do Jinko Tiger Neo 54HL4R-BDB panels perform well in overcast conditions or diffuse light? Yes, N-type TOPCon cells demonstrate better low-irradiance responsiveness than older P-type technology. This translates into higher real-world energy yield in climates with frequent cloudy days. The low temperature coefficient of -0.29%/°C also helps during hot summer months - the power loss when modules heat up is smaller than with typical PERC panels, keeping the actual LCOE more favorable over the system lifetime. ### What is the maximum power output of the Jinko Solar Tiger Neo 54HL4R-BDB, and how many modules do I need for a 10 kWp system? The top power bin in this series is 445 Wp (STC). To build a 10 kWp system you would need 23 modules (23 × 445 Wp = 10.235 kWp). That is a compact module count for a residential installation, because the high cell efficiency means you get more nameplate power from less available roof area compared to older PERC-based panels in the same format. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/JKM425-445N-54HL4R-BDB-F1-EN-1-da783b3bcfce.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Maxeon SPR-MAX7-475](https://comparepv.com/panel/maxeon-spr-max7-475) | 475 W | +50 W, +2.7 pp, +10 yr warranty | | [Just Solar JST-EDMH-(445-465)W-TD (465W class)](https://comparepv.com/panel/just-solar-jst-edmh-445-465-w-td-465w-class) | 465 W | +40 W, lighter, +2.5 pp | | [JA Solar JAT54S40-475/LR](https://comparepv.com/panel/ja-solar-jat54s40-475-lr) | 475 W | +50 W, lighter, +2.5 pp | | [Tongwei TWMNH-48HW475](https://comparepv.com/panel/tongwei-solar-twmnh-48hw475) | 475 W | +50 W, lighter, +2.5 pp | | [Astronergy CHSM48RN(DG)/F-BH-475](https://comparepv.com/panel/astronergy-chint-new-energy-technology-co-ltd-chsm48rn-dg-f-bh-475) | 475 W | +50 W, +2.5 pp | | [AIKO AIKO-A475-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a475-mce54mw) | 475 W | +50 W, lighter, +2.5 pp | | [AIKO AIKO-A475-MAH54Mw](https://comparepv.com/panel/aiko-aiko-a475-mah54mw) | 475 W | +50 W, lighter, +2.5 pp | | [Jinko Solar JKM420N-54HL4R-BDV](https://comparepv.com/panel/jinko-solar-jkm420n-54hl4r-bdv) | 420 W | Lighter, -0.2 pp | | [Jinko Solar JKM430-455N-54HL4R-B-F8-EN (430W)](https://comparepv.com/panel/jinko-solar-co-ltd-jkm430-455n-54hl4r-b-f8-en-430w) | 430 W | Lighter, +0.2 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +85 W, cooler, +3.7 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +70 W, lighter, +3.5 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +80 W, cooler, +3.4 pp | | [WINAICO WST-505BKX54-A2](https://comparepv.com/panel/winaico-wst-505bkx54-a2) | 505 W | +80 W, cooler, +3.4 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +65 W, lighter, +3.2 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +75 W, cooler, +3.2 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +75 W, lighter, +3.2 pp | --- Source: https://comparepv.com/panel/jinkosolar-jkm425-445n-54hl4r-bdb-stc-column-425w Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.