--- title: "Solar-Fabrik MS5 HC 300 BF-DG 300W Solar Panel - Specs & Review | ComparePV" description: "Solar-Fabrik MS5 HC 300 BF-DG 300W solar panel. Specs: 20.70% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/solar-fabrik-ms5-hc-300-bf-dg" updated: 2026-09-11 --- # Solar-Fabrik MS5 HC 300 BF-DG Space saver, no clear weak spot 286 panels in the segment PERC 300-350 W ## Identity - **Manufacturer:** Solar-Fabrik - **Model:** MS5 HC 300 BF-DG - **Series:** Mono S5 Halfcut \| Installer Series - **Rated power:** 300 W - **Cell technology:** PERC - **Bifacial:** yes ## How it compares Compared against segment PERC 300-350 W (286 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 300 W | 325 W | Weak - bottom 3% | | | Module efficiency | 20.70% | 19.00% | Strong - top 2% | 10,764 | | Power density | 206.6 | 190.0 | Strong - top 1% | 10,974 | | Temperature coefficient | -0.350 | -0.360 | Strong - top 14% | 10,419 | | Weight (kg) | 18.5 kg | 19.0 kg | Typical | | | Performance warranty | 30 yrs | 25 yrs | Strong - top 15% | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 20.70% | 19.00% | Strong - top 2% | 10,764 | | Power density | 206.6 | 190.0 | Strong - top 1% | 10,974 | | Temperature coefficient | -0.350 | -0.360 | Strong - top 14% | 10,419 | | Weight per kWp | 61.7 | 60.0 | Typical | 12,670 | | Performance warranty | 30 yrs | 25 yrs | Strong - top 15% | 21 | ### Strengths - **206.6 watts per square metre** - Top 1% of the PERC 300-350 W segment, against a median of 190.0. Ranked 10,974th in the whole database. - **20.70% module efficiency** - Top 2% of the PERC 300-350 W segment, against a median of 19.00%. Ranked 10,764th in the whole database. - **-0.350 %/°C temperature coefficient** - Top 14% of the PERC 300-350 W segment, against a median of -0.360. - **Best for:** Residential, shaded-installations and BIPV. ## Specification ### Electrical - **Rated power (Pmax):** 300 W - **Efficiency:** 20.70 % - **Voltage at Pmax (Vmp):** 34.44 V - **Current at Pmax (Imp):** 8.71 A - **Open-circuit voltage (Voc):** 41.70 V - **Short-circuit current (Isc):** 9.27 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.350 %/degC - **Temperature coefficient of Voc:** -0.280 %/degC - **Temperature coefficient of Isc:** 0.040 %/degC - **NOCT:** 43 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 60 - **Bifacial:** yes ### Physical - **Length:** 1650 mm - **Width:** 880 mm - **Thickness:** 30 mm - **Weight:** 18.5 kg - **Area:** 1.45 m2 - **Power density:** 206.6 Wp/m2 ### Warranty and degradation - **Product warranty:** 30 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 85.0 % - **Output after 30 years:** 255 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 10764 of 14005 | | Power density | 10974 of 14005 | | Temperature coefficient | 10419 of 14005 | | Weight | 12670 of 14005 | | Warranty | 21 of 14005 | ## About this series The **Mono S5 Halfcut \| Installer Series** from Solar-Fabrik are modules designed for professional installers who require a reliable solution for mounting in challenging and non-standard rooftop conditions. The **compact format**, similar to classic 60-cell modules, makes these panels ideal for roofs with dormer windows, skylights, as well as for balcony and facade installations, and for retrofitting older photovoltaic systems. The **Halfcut** technology - using half-cut monocrystalline cells - reduces resistive losses and significantly improves energy yield, even under partial shading. Selected variants of the series utilize advanced **N-Type TOPCon** technology, and the bifacial design, combined with double-sided glass, allows for energy harvesting from both sides of the module. The series is characterized by excellent mechanical strength - certified Class 5 hail protection and Class A fire protection - which ensures safe operation for many years. The series is also complemented by an impressive **30-year product and performance warranty**, making these panels a reliable choice for both new residential investments and the modernization of existing PV installations. ## Notable figures - At 20.7% efficiency, this panel is 1.2pp above typical \*\*PERC 0-400W\*\* modules (median: 19.4%) - Power density of 206.6 W/m² packs 12.2 W/m² more into the same footprint vs \*\*PERC 0-400W\*\* median (194.4 W/m²) - At -0.35%/°C, hot weather performance is typical for \*\*PERC 0-400W\*\* panels - Weight of 18.5 kg (2.0 kg below \*\*PERC 0-400W\*\* median of 20.5 kg) allows easier transport and roof mounting - Ranked #10764 out of 14005 panels for efficiency in the database ## Questions ### Are the Solar-Fabrik Mono S5 Halfcut Installer Series panels suitable for roofs with dormers or skylights? Yes, the Mono S5 Halfcut Installer Series was specifically designed for these scenarios. Its compact format — close to classic 60-cell modules — makes it easy to fit the panel layout around roof obstacles. The half-cut cell technology minimizes losses under partial shading from chimneys, dormers, or skylights, delivering better annual energy yield than standard full-cell modules. ### What is TOPCon technology and is it worth choosing in Solar-Fabrik S5 Halfcut panels? TOPCon (Tunnel Oxide Passivated Contact) is an advanced N-Type cell technology that reduces charge carrier recombination and achieves higher efficiency than mainstream PERC cells. In select variants of the S5 Halfcut Installer Series, this translates into a better temperature coefficient and higher energy yield on sunny, hot days. For an installer, it means fewer panels are needed to reach the same system power output. ### What warranty comes with Solar-Fabrik Mono S5 Halfcut Installer Series panels? The manufacturer provides a 30-year product warranty covering material and workmanship defects, and a 30-year linear power output warranty. This is one of the longest warranty standards available in the PV module market. Solar-Fabrik is headquartered in Germany, giving many investors additional confidence when it comes to enforcing warranty claims. ### Does the bifacial design in Solar-Fabrik S5 Halfcut really generate power from both sides, and when does it pay off? Yes, select variants of the S5 Halfcut Installer Series feature a bifacial design with glass on both front and rear. The rear side absorbs light reflected from the mounting surface — such as a light-colored roof, gravel, or snow. The bifacial gain depends on the albedo of the surroundings and the tilt angle; in a typical rooftop installation it ranges from 5 to 15% of additional annual energy output, increasing with highly reflective surfaces. ### How does the Mono S5 Halfcut Installer Series perform against hail and extreme weather conditions? The S5 Halfcut Installer Series holds certified hail protection class 5, meaning it withstands ice balls up to 50 mm in diameter at impact speeds of up to 32.2 m/s. The modules also achieved fire protection class A — the highest rating available. The glass-glass construction effectively protects the cells from moisture ingress and mechanical stress throughout the entire service life. ### Can Solar-Fabrik Mono S5 Halfcut Installer Series panels be used in balcony or facade installations? Yes, the compact dimensions of the Mono S5 Halfcut Installer Series and its glass-glass construction make it a suitable choice for balcony and facade installations. The bifacial design allows the module to harvest diffuse and reflected light, which is a particular advantage in vertical or inclined facade setups. Before installation, verify local building codes and the structural load capacity of the building. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/d_mono_s5_installer_300_hc_60_en-03d52954877a.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [JA Solar NS-300MH-72](https://comparepv.com/panel/ja-solar-ns-300mh-72) | 300 W | Cooler, lighter, +2.6 pp | | [PolyCrown Solar Tech NS-300MH-72](https://comparepv.com/panel/polycrown-solar-tech-ns-300mh-72) | 300 W | Cooler, lighter, +2.6 pp | | [Heckert Solar ZEUS 1.2 FullBlack 280W](https://comparepv.com/panel/heckert-solar-zeus-1-2-fullblack-280w) | 280 W | Cooler, lighter, +2.6 pp | | [JA Solar NS-330MH-80](https://comparepv.com/panel/ja-solar-ns-330mh-80) | 330 W | Cooler, +2.4 pp, -5 yr warranty | | [PolyCrown Solar Tech NS-330MH-80](https://comparepv.com/panel/polycrown-solar-tech-ns-330mh-80) | 330 W | Cooler, +2.4 pp, -5 yr warranty | | [Gamko New Energy GKA182M285W](https://comparepv.com/panel/gamko-new-energy-gka182m285w) | 285 W | -15 W, lighter, +2.3 pp | | [Gamko New Energy GKA182M260W](https://comparepv.com/panel/gamko-new-energy-gka182m260w) | 260 W | -40 W, lighter, +2.3 pp | | [Gamko New Energy GKA182M270W](https://comparepv.com/panel/gamko-new-energy-gka182m270w) | 270 W | -30 W, lighter, +2.3 pp | | [Gamko New Energy GKA182M300W](https://comparepv.com/panel/gamko-new-energy-gka182m300w) | 300 W | Lighter, +2.3 pp | | [Solar-Fabrik MS5 HC 315 BF-DG](https://comparepv.com/panel/solar-fabrik-ms5-hc-315-bf-dg) | 315 W | +15 W, cooler, +1.0 pp | | [YS Solar YS350SM-90](https://comparepv.com/panel/ys-solar-ys350sm-90) | 350 W | +50 W, heavier, +0.3 pp | | [YS Solar YS345SM-90](https://comparepv.com/panel/ys-solar-ys345sm-90) | 345 W | +45 W, heavier | | [YS Solar YS340SM-90](https://comparepv.com/panel/ys-solar-ys340sm-90) | 340 W | +40 W, heavier, -0.3 pp | | [YS Solar YS335SM-90](https://comparepv.com/panel/ys-solar-ys335sm-90) | 335 W | +35 W, heavier, -0.6 pp | | [YS Solar YS330SM-90](https://comparepv.com/panel/ys-solar-ys330sm-90) | 330 W | +30 W, heavier, -0.9 pp | | [JA Solar MY5M72-215](https://comparepv.com/panel/ja-solar-my5m72-215) | 215 W | -85 W, -3.9 pp, -5 yr warranty | --- Source: https://comparepv.com/panel/solar-fabrik-ms5-hc-300-bf-dg Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.