--- title: "LEDVANCE M500-520H54RB-BF-505 505W Solar Panel - Specs & Review | ComparePV" description: "LEDVANCE M500-520H54RB-BF-505 505W solar panel. Specs: 22.70% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/ledvance-m500-520h54rb-bf-505" updated: 2026-09-11 --- # LEDVANCE M500-520H54RB-BF-505 Middle of its segment, heavy for its output 41 panels in the segment HJT 500-550 W ## Identity - **Manufacturer:** LEDVANCE - **Model:** M500-520H54RB-BF-505 - **Series:** M500-520H54RB-BF - **Rated power:** 505 W - **Cell technology:** HJT - **Bifacial:** yes ## How it compares Compared against segment HJT 500-550 W (41 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 505 W | 515 W | Weak - bottom 23% | | | Module efficiency | 22.70% | 22.90% | Typical | 3,307 | | Power density | 227.2 | 229.5 | Typical | 3,238 | | Temperature coefficient | -0.240 | -0.240 | Typical | 13 | | Weight (kg) | 27.4 kg | 27.1 kg | Weak - bottom 12% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.70% | 22.90% | Typical | 3,307 | | Power density | 227.2 | 229.5 | Typical | 3,238 | | Temperature coefficient | -0.240 | -0.240 | Typical | 13 | | Weight per kWp | 54.3 | 53.1 | Weak - bottom 12% | 8,505 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Watch out for - **54.3 kg per kWp** - Bottom 12% of the HJT 500-550 W segment, against a median of 53.1. - **Best for:** Commercial. - **Not ideal for:** Weight-limited structures. ## Specification ### Electrical - **Rated power (Pmax):** 505 W - **Efficiency:** 22.70 % - **Voltage at Pmax (Vmp):** 34.27 V - **Current at Pmax (Imp):** 14.74 A - **Open-circuit voltage (Voc):** 40.87 V - **Short-circuit current (Isc):** 15.59 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.240 %/degC - **Temperature coefficient of Voc:** -0.240 %/degC - **Temperature coefficient of Isc:** 0.040 %/degC - **NOCT:** 44 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** HJT - **Cell count:** 108 - **Bifacial:** yes ### Physical - **Length:** 1960 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 27.4 kg - **Area:** 2.22 m2 - **Power density:** 227.2 Wp/m2 ### Warranty and degradation - **Product warranty:** 25 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 90.3 % - **First-year degradation:** 1.00 % - **Annual degradation:** 0.30 % - **Output after 30 years:** 456 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 3307 of 14005 | | Power density | 3238 of 14005 | | Temperature coefficient | 13 of 14005 | | Weight | 8505 of 14005 | | Warranty | 21 of 14005 | ## Pros - **HJT technology with low temperature coefficient** - Heterojunction (HJT) cells deliver a power temperature coefficient of -0.24%/°C, markedly better than the -0.35% to -0.40%/°C typical of PERC or standard TOPCon modules. This translates into higher energy yield during hot summer months. - **30-year power warranty with 90.3% retention** - The manufacturer guarantees 90.3% of nominal power after 30 years of operation, outperforming the market standard of 25 years/84.8% offered by most peer comparables (e.g., Trina, JA Solar). The longer term and higher retention lower the effective LCOE over the investment horizon. - **Glass-glass build with low PID susceptibility** - The double-glass construction improves moisture sealing and mechanical durability, while low susceptibility to potential-induced degradation (PID) reduces the risk of performance losses in large-scale installations with high string voltages, typical of ground-mount farms. - **Bifacial design boosts yield in non-optimal conditions** - The bifacial construction captures reflected light (albedo) from the ground surface, which over bright surfaces (e.g., white gravel, snow) can increase output by several to a dozen percent compared to monofacial modules of similar rated power. - **Competitive 22.5-23.4% efficiency** - The series' efficiency sits in the upper segment of the market for N-type modules and is close to peers such as DAH Solar's DHN-60R20/DG (23.0%), while retaining HJT's advantages over TOPCon in operating temperature performance. ## Cons - **Manufacturer outside Tier-1 bankable status** - LEDVANCE is not listed as a Tier-1 bankable manufacturer (BNEF), unlike some competitors in the premium HJT/TOPCon segment. This can complicate bank financing for large commercial projects, where lenders often require Tier-1 status. - **Efficiency trails top peers in the segment** - Maximum efficiency of 23.4% is lower than HT-SAAE's HT54-18X(N) (23.8%) or TCL Solar's Back Contact HSM-BD60-LA (23.5%) — comparable 520 Wp modules achieve higher area efficiency, which matters when mounting surface is constrained. ## About this series The LEDVANCE M500-520H54RB-BF series is designed for installations where high energy production is key, even under less-than-ideal conditions. Its key feature is the combination of **N-type TOPCon technology** with a **bifacial** construction, enabling the module to utilize not only direct radiation but also light reflected from the ground - effectively helping to increase yield in many locations. These panels are for investors seeking stable performance over the long term: the **glass-glass construction** improves resistance to moisture and mechanical stress while supporting fire safety. In practice, this addresses typical issues with ground-mounted farms and larger rooftops - material fatigue, micro-cracks, and performance degradation in demanding climates. The series is suitable for commercial and industrial projects, flat and pitched roofs, and ground installations, where its additional advantage is **low PID sensitivity** and **very low annual power degradation** - characteristics that distinguish it from many standard modules based on older solutions. ## Notable figures - Efficiency of 22.7% matches the \*\*HJT 500-550W\*\* median - Power density of 227.2 W/m² matches the \*\*HJT 500-550W\*\* median - At -0.24%/°C, hot weather performance is typical for \*\*HJT 500-550W\*\* panels - #3307 for efficiency, #13 for temperature performance out of 14005 panels ## Questions ### What is the warranty on LEDVANCE M500-520H54RB-BF panels? The M500-520H54RB-BF series comes with a 25-year product warranty and a 30-year linear power output warranty. This means the manufacturer guarantees near-nominal performance for 30 years, with very low annual power degradation. It is one of the longer warranty standards available in the PV market, particularly valuable in commercial and industrial projects where the return-on-investment horizon spans several decades. ### What is HJT technology in the M500-520H54RB-BF series and why is it worth choosing? HJT (Heterojunction Technology) combines a crystalline silicon cell with a thin amorphous silicon layer, delivering higher efficiency and a lower temperature coefficient than older PERC technology. In practice, the module performs better on hot days and degrades more slowly over time. The M500-520H54RB-BF series reaches up to 520 Wp and features very low annual degradation, resulting in higher energy yield throughout its entire operational lifetime. ### Is the M500-520H54RB-BF series bifacial, and how much extra energy can you gain? Yes, the M500-520H54RB-BF series features bifacial glass-glass construction. The rear glass captures light reflected from the ground surface, which — depending on albedo (light gravel, white ballast, snow) — can increase energy yield by 5–25% compared to monofacial panels. The greatest gains are achieved in ground-mounted systems and on flat roofs with elevated racking, where air circulates freely beneath the module. ### What types of installations are the LEDVANCE M500-520H54RB-BF panels best suited for? The M500-520H54RB-BF series is primarily designed for commercial and industrial projects: ground-mounted solar farms, flat roofs of warehouses and production halls, and larger pitched-roof systems. The glass-glass construction provides high resistance to moisture and mechanical loads, addressing common issues such as microcracks and material fatigue. Low PID susceptibility makes these modules well-suited for long string configurations at 1000 V and 1500 V system voltages. ### Is LEDVANCE a Tier 1 manufacturer and does it affect the quality of the M500-520H54RB-BF panels? LEDVANCE is not currently listed on Bloomberg's Tier 1 PV manufacturer ranking. However, the brand originates from Germany and holds a strong position in the European lighting and renewable energy markets. The M500-520H54RB-BF series is backed by a 25-year product warranty and a 30-year power warranty, reflecting the manufacturer's confidence in module durability. Before purchasing, it is worth verifying the availability of authorized service support and warranty claim procedures in your country. ### How does low PID susceptibility in the M500-520H54RB-BF panels affect long-term system performance? PID (Potential Induced Degradation) is a gradual power loss in modules caused by leakage currents at high system voltages. The M500-520H54RB-BF series features low PID susceptibility, which is critical in large industrial installations and ground-mounted farms with long string configurations at 1000 V or 1500 V. This ensures stable system performance throughout the entire warranty period without the need for costly PID recovery units. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/asset-13238703-m510h54rb-bf-f9-d9f95506911b.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Lighter, +2.3 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Hotter, lighter, +2.1 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Lighter, +2.0 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | +50 W, lighter, +1.9 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Hotter, lighter, +1.8 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | Lighter, +1.8 pp | | [LEDVANCE M500-520H54RB-BF-500](https://comparepv.com/panel/ledvance-m500-520h54rb-bf-500) | 500 W | Very close match | | [LEDVANCE M500-520H54RB-BF-510](https://comparepv.com/panel/ledvance-m500-520h54rb-bf-510) | 510 W | Very close match | | [LEDVANCE M500-520H54RB-BF-515](https://comparepv.com/panel/ledvance-m500-520h54rb-bf-515) | 515 W | +10 W, +0.5 pp | | [LEDVANCE M500-520H54RB-BF-520](https://comparepv.com/panel/ledvance-m500-520h54rb-bf-520) | 520 W | +15 W, +0.7 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | +55 W, lighter, +2.1 pp | | [Longi Solar LR7-60HVHL-550M](https://comparepv.com/panel/longi-lr7-60hvhl-550m) | 550 W | +45 W, lighter, +1.7 pp | | [JA Solar JAT60S40-540/LR](https://comparepv.com/panel/ja-solar-jat60s40-540-lr) | 540 W | +35 W, lighter, +1.7 pp | | [Gokin GK-5-60HG-540M](https://comparepv.com/panel/gokin-gk-5-60hg-540m) | 540 W | +35 W, lighter, +1.7 pp | | [Jinko Solar JKM545-54QL6-DV-F1-EU](https://comparepv.com/panel/jinko-solar-jkm545-54ql6-dv-f1-eu) | 545 W | +40 W, hotter, +1.6 pp | | [Longi Solar LR7-60HVH-545M](https://comparepv.com/panel/longi-lr7-60hvh-545m) | 545 W | +40 W, lighter, +1.5 pp | --- Source: https://comparepv.com/panel/ledvance-m500-520h54rb-bf-505 Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.