--- title: "Bruk-Bet PEM.WB-465 465W Solar Panel - Specs & Review | ComparePV" description: "Bruk-Bet PEM.WB-465 465W solar panel. Specs: 21.28% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/bruk-bet-pem-wb-465" updated: 2026-09-11 --- # Bruk-Bet PEM.WB-465 Strong in heat, no clear weak spot 449 panels in the segment PERC 450-500 W ## Identity - **Manufacturer:** Bruk-Bet - **Model:** PEM.WB-465 - **Series:** PERFECT EDGE PRO - **Rated power:** 465 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 450-500 W (449 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 465 W | 460 W | Typical | | | Module efficiency | 21.28% | 20.82% | Strong - top 11% | 8,795 | | Power density | 212.8 | 208.5 | Strong - top 11% | 8,642 | | Temperature coefficient | -0.324 | -0.350 | Strong - top 5% | 8,509 | | Weight (kg) | 24.5 kg | 24.5 kg | Typical | | | Performance warranty | 25 yrs | 25 yrs | Typical | 9,798 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.28% | 20.82% | Strong - top 11% | 8,795 | | Power density | 212.8 | 208.5 | Strong - top 11% | 8,642 | | Temperature coefficient | -0.324 | -0.350 | Strong - top 5% | 8,509 | | Weight per kWp | 52.7 | 53.1 | Typical | 6,318 | | Performance warranty | 25 yrs | 25 yrs | Typical | 9,798 | ### Strengths - **-0.324 %/°C temperature coefficient** - Top 5% of the PERC 450-500 W segment, against a median of -0.350. Ranked 8,509th in the whole database. - **212.8 watts per square metre** - Top 11% of the PERC 450-500 W segment, against a median of 208.5. - **21.28% module efficiency** - Top 11% of the PERC 450-500 W segment, against a median of 20.82%. - **Best for:** Residential, commercial and cold-climate. ## Specification ### Electrical - **Rated power (Pmax):** 465 W - **Efficiency:** 21.28 % - **Voltage at Pmax (Vmp):** 35.27 V - **Current at Pmax (Imp):** 13.19 A - **Open-circuit voltage (Voc):** 41.88 V - **Short-circuit current (Isc):** 13.83 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.324 %/degC - **Temperature coefficient of Voc:** -0.259 %/degC - **Temperature coefficient of Isc:** 0.046 %/degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 120 ### Physical - **Length:** 1920 mm - **Width:** 1138 mm - **Thickness:** 40 mm - **Weight:** 24.5 kg - **Area:** 2.18 m2 - **Power density:** 212.8 Wp/m2 ### Warranty and degradation - **Product warranty:** 20 years - **Performance warranty:** 25 years - **Output guaranteed at end of warranty:** 83.0 % - **Output after 30 years:** 370 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 8795 of 14005 | | Power density | 8642 of 14005 | | Temperature coefficient | 8509 of 14005 | | Weight | 6318 of 14005 | | Warranty | 9798 of 14005 | ## Pros - **Polish Manufacturing with Rigorous Quality Control** - Every module undergoes triple electroluminescence (EL) testing — versus the single-test industry standard — effectively eliminating cell microcracks at the source. Production takes place in Tarnów on Meyer Burger lines, and warranty claims are handled locally without routing through a foreign distributor. - **Proprietary EDGE Frame Profile** - The frame's unique geometry enables active water drainage that reduces soiling accumulation in module corners — particularly valuable on rooftops with a pitch below 15°, where conventional panels lose yield to sediment buildup. This design feature is exclusive to this series and has no direct equivalent among peer comparables such as DAH, Jinko, or JS Solar. - **High Mechanical Load Resistance** - Modules are rated for static loads up to 8,100 Pa and dynamic loads up to 5,400 Pa (~550 kg/m²), significantly exceeding the IEC 61215 requirement of 5,400 Pa static. This translates to reliable performance under the heavy snow loads and high wind pressures characteristic of the Polish climate. - **20/25-Year Warranty Enforced by a Domestic Entity** - The manufacturer provides a 20-year product warranty and a 25-year linear power output warranty, with warranty claims handled in Polish. For residential and C&I buyers, the absence of a language barrier and jurisdictional complexity represents a tangible advantage over panels sourced directly from Asia. ## Cons - **Efficiency Below Peer Comparables** - The series reaches a maximum module efficiency of 21.28%, compared to 22.78% for the DAH DHN-54R18/DG and 21.48% for JS Solar and Jinko Solar JS182MHC120. In practice, this means the PERFECT EDGE PRO will generate less energy from the same roof area than leading alternatives in the same power class. - **PERC Technology — Higher Degradation than N-Type** - PERC (P-type) cells exhibit annual degradation of 0.6–0.8% and a light-induced degradation (LID) effect of 1–2% in the first year, whereas N-type TOPCon (\<0.5% LID) and HJT cells perform better on both metrics. N-type technology already accounted for over 60% of global PV production in 2025 — PERC is a maturing technology in decline, which may negatively affect the residual value of the installation. - **Marketing Description Inconsistent with Technical Specification** - The official series description references "N-type cells in TOPCon technology," yet the supplied datasheet unambiguously lists cell\_technology: \["PERC"\]. This discrepancy between marketing materials and the actual cell technology is potentially misleading and should be clarified by the manufacturer prior to purchase. ## About this series The Bruk-Bet PERFECT EDGE PRO solar panel series is an advanced solution that redefines performance standards through the use of an innovative edge design. This technology effectively eliminates the problem of dirt accumulation in module corners, which directly translates into higher energy yields in difficult weather conditions. The use of **N-type cells in TOPCon technology** ensures the highest efficiency and minimal power degradation over time, making these panels a safe investment for decades. Thanks to the **unique water drainage system**, these modules are ideal for roofs with a low slope angle, where traditional panels often lose efficiency due to settling sediment and dust. The product is dedicated to demanding individual investors and companies looking for reliability confirmed by a Polish warranty and local technical support. What sets this series apart from international competition is its **extreme resistance to mechanical loads** caused by snow and wind, as well as its elegant design. By choosing PERFECT EDGE PRO, you gain **maintenance-free operation** and the certainty that the installation will maintain its efficiency throughout its service life, regardless of the level of environmental pollution. ## Notable figures - Efficiency of 21.3% matches the \*\*PERC 450-500W\*\* median - 212.8 W/m² power density - 4.3 W/m² more than \*\*PERC 450-500W\*\* median (208.5 W/m²), more power per roof area - -0.32%/°C temperature coefficient (median: -0.35%/°C) - retains ~1% more power at high temperatures - #8795 for efficiency, #8509 for temperature performance out of 14005 panels ## Questions ### What cell technology does the Bruk-Bet PERFECT EDGE PRO series use, and what does it mean for performance? PERFECT EDGE PRO panels use monocrystalline PERC cells arranged in a half-cut configuration, achieving a maximum power output of up to 465 Wp and an efficiency of up to 22%. The half-cut technology splits each cell in half, which reduces losses under partial shading conditions and lowers the module's internal resistance. This translates into measurably higher energy yields throughout the year, especially on overcast days typical of the Polish climate. ### What warranty coverage applies to Bruk-Bet PERFECT EDGE PRO panels, and who enforces it? The PERFECT EDGE PRO series is backed by a 20-year product warranty and a 25-year linear power output warranty. The warranty is issued and enforced by Bruk-Bet Fotowoltaika, headquartered in Tarnów, which means any warranty claims are handled directly by a domestic Polish manufacturer. This eliminates the risks associated with pursuing claims against distant overseas suppliers. ### Are PERFECT EDGE PRO panels suitable for a roof with a low tilt angle, such as 10–15 degrees? Yes, the PERFECT EDGE PRO series has been specifically designed with low-pitch roofs in mind. Its innovative edge construction and unique water drainage system effectively prevent the accumulation of dust, moss, and other contaminants in the module corners — an area where conventional panels tend to lose performance quickly. This is a particularly important advantage on flat or gently sloped roof surfaces, where natural self-cleaning by rainfall is limited. ### How do Bruk-Bet PERFECT EDGE PRO panels perform under snow loads and high wind pressure? The PERFECT EDGE PRO series features a 40 mm load-bearing frame, one of the thickest available in its product class, providing exceptional resistance to mechanical stress. The modules are certified for high snow and wind loads consistent with Polish climatic conditions. The robust frame also protects the laminate against deformation, extending the overall service life of the installation. ### Are PERFECT EDGE PRO panels bifacial, and is it worth adding a white backsheet for albedo gain? No, Bruk-Bet PERFECT EDGE PRO panels are monofacial modules and do not generate additional energy from light reflected off the ground surface. A white albedo backsheet would provide no benefit in this configuration. The series is optimized for standard rooftop installations where resistance to soiling and harsh weather conditions takes priority over the bifacial effect. ### How do Bruk-Bet PERFECT EDGE PRO panels differ from typical Chinese panels at a similar price point? The key differentiators are the place of manufacture and after-sales support: PERFECT EDGE PRO panels are produced at the Tarnów facility, and the warranty is enforced by a Polish manufacturer with a local technical service network. The proprietary edge technology and integrated water drainage system are features that set the series apart from standard commodity modules. For the end investor, this means a straightforward warranty claims process and confidence that the manufacturer will remain present in the market for years to come. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/Perfect-Edge-Pro-PEMWB-465-d220e926ceb3.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Cooler, +3.7 pp, +5 yr warranty | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Cooler, +3.5 pp, +5 yr warranty | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, +3.4 pp, +5 yr warranty | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | Cooler, +3.2 pp, +5 yr warranty | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | Cooler, +3.2 pp, +5 yr warranty | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | Cooler, +3.2 pp, +5 yr warranty | | [Bruk-Bet PEM.BB-450](https://comparepv.com/panel/bruk-bet-pem-bb-450) | 450 W | -15 W, -0.7 pp | | [Bruk-Bet PEM.WS-455](https://comparepv.com/panel/bruk-bet-pem-ws-455) | 455 W | -10 W, -0.5 pp | | [Bruk-Bet PEM.WB-460](https://comparepv.com/panel/bruk-bet-pem-wb-460) | 460 W | -0.2 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | +95 W, cooler, +3.5 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | +90 W, cooler, +3.3 pp | | [Longi Solar LR7-60HVHL-550M](https://comparepv.com/panel/longi-lr7-60hvhl-550m) | 550 W | +85 W, lighter, +3.1 pp | | [JA Solar JAT60S40-540/LR](https://comparepv.com/panel/ja-solar-jat60s40-540-lr) | 540 W | +75 W, cooler, +3.1 pp | | [Gokin GK-5-60HG-540M](https://comparepv.com/panel/gokin-gk-5-60hg-540m) | 540 W | +75 W, cooler, +3.1 pp | | [Jinko Solar JKM545-54QL6-DV-F1-EU](https://comparepv.com/panel/jinko-solar-jkm545-54ql6-dv-f1-eu) | 545 W | +80 W, cooler, +3.0 pp | | [Longi Solar LR7-60HVH-545M](https://comparepv.com/panel/longi-lr7-60hvh-545m) | 545 W | +80 W, cooler, +2.9 pp | --- Source: https://comparepv.com/panel/bruk-bet-pem-wb-465 Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.