--- title: "Solar-Fabrik Mono S4 Halfcut BC Full Black 475W vs Solar-Fabrik Mono S4 Halfcut BC Series Full Black 475W - Solar Panel Comparison | ComparePV" description: "Compare Solar-Fabrik Mono S4 Halfcut BC Full Black 475W vs Solar-Fabrik Mono S4 Halfcut BC Series Full Black 475W side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/solar-fabrik-mono-s4-halfcut-bc-full-black-475w/solar-fabrik-mono-s4-halfcut-bc-series-full-black-475w" updated: 2026-09-11 --- # Solar-Fabrik Mono S4 Halfcut BC Full Black 475W vs Solar-Fabrik Mono S4 Halfcut BC Series Full Black 475W Identical on every published parameter All 17 comparable parameters agree, with 2 more left out because at least one datasheet does not publish them. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Solar-Fabrik Mono S4 Halfcut BC Full Black 475W](https://comparepv.com/panel/solar-fabrik-mono-s4-halfcut-bc-full-black-475w) | [Solar-Fabrik Mono S4 Halfcut BC Series Full Black 475W](https://comparepv.com/panel/solar-fabrik-mono-s4-halfcut-bc-series-full-black-475w) | | Manufacturer | Solar-Fabrik | Solar-Fabrik | | Power | 475 Wp | 475 Wp | | Efficiency | 23.30 % | 23.30 % | | Technology | Back Contact | Back Contact | ## Every compared parameter | Parameter | Full Black 475W | Series Full Black 475W | | --- | --- | --- | | Rated power | 475 Wp | 475 Wp | | Module efficiency | 23.30 % | 23.30 % | | Power density | 232.7 Wp/m² | 232.7 Wp/m² | | Open-circuit voltage | 40.42 V | 40.42 V | | Voltage at max power | 33.38 V | 33.40 V | | Short-circuit current | 14.88 A | 14.88 A | | Current at max power | 14.23 A | 14.23 A | | Temperature coefficient | -0.260 %/°C | - | | Dimensions | 1800x1134x30 mm | 1800x1134x30 mm | | Module area | 2.041 m² | 2.041 m² | | Weight | 25.0 kg | 25.0 kg | | Weight per kWp | 52.6 kg/kWp | 52.6 kg/kWp | | Product warranty | 30 yrs | 30 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | - | - | | Cell technology | Back Contact | Back Contact | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 108 | 108 | | Bifacial | Yes | Yes | ## Thirty-year yield A 1.0% first-year loss then 0.40% a year, assumed for both panels, at 1,200 kWh/kWp a year Projected at 25 °C. Not published by Solar-Fabrik, so a hotter case cannot be shown without inventing one side of it. - **Cumulative output, Full Black 475W:** 15,937 kWh - **Cumulative output, Series Full Black 475W:** 15,937 kWh - **Gap:** No difference ## Output when hot | Condition | Cell temperature | Full Black 475W | Series Full Black 475W | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 475 W | - | 100.0% of rated power | | Cool, bright day | 40 °C | 456 W | - | 96.1% of rated power | | Typical summer roof | 55 °C | 438 W | - | 92.2% of rated power | | Hot roof | 70 °C | 419 W | - | 88.3% of rated power | ## Against the whole database | Measure | Full Black 475W | Series Full Black 475W | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #1,017 | #1,017 | 14,005 | Tied - the same position in the database | | Power density | #1,189 | #1,189 | 14,005 | Tied - the same position in the database | | Heat behaviour | #511 | #13,924 | 14,005 | Full Black 475W leads by 13,413 places | | Weight | #6,259 | #6,259 | 14,005 | Tied - the same position in the database | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #3,428 | #3,428 | 14,005 | Tied - the same position in the database | ## Questions ### Which panel is better: Solar-Fabrik Mono S4 Halfcut BC Full Black 475W or Solar-Fabrik Mono S4 Halfcut BC Series Full Black 475W? According to our database: both panels are closely matched on key specs - the decision often comes down to price and local availability. See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Solar-Fabrik Mono S4 Halfcut BC Full Black 475W and Solar-Fabrik Mono S4 Halfcut BC Series Full Black 475W? **Solar-Fabrik Mono S4 Halfcut BC Full Black **475 W**** has a module efficiency of **23.30%**, while **Solar-Fabrik Mono S4 Halfcut BC Series Full Black **475 W**** is **23.30%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Solar-Fabrik Mono S4 Halfcut BC Full Black 475W use vs Solar-Fabrik Mono S4 Halfcut BC Series Full Black 475W? **Solar-Fabrik Mono S4 Halfcut BC Full Black **475 W**** uses **Back Contact** cells; **Solar-Fabrik Mono S4 Halfcut BC Series Full Black **475 W**** uses **Back Contact**. Modern **n-type** technologies (**TOPCon**, **HJT**, BC) typically deliver higher efficiency and lower degradation compared to older **PERC** (p-type) cells. ### What is the warranty on Solar-Fabrik Mono S4 Halfcut BC Full Black 475W and Solar-Fabrik Mono S4 Halfcut BC Series Full Black 475W? **Solar-Fabrik Mono S4 Halfcut BC Full Black **475 W**** has a **30 years** power warranty; **Solar-Fabrik Mono S4 Halfcut BC Series Full Black **475 W**** has a **30 years** power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80**-87%**). Product (materials) warranties are usually shorter. ### Are Solar-Fabrik Mono S4 Halfcut BC Full Black 475W and Solar-Fabrik Mono S4 Halfcut BC Series Full Black 475W bifacial panels? Both **Solar-Fabrik Mono S4 Halfcut BC Full Black **475 W**** and **Solar-Fabrik Mono S4 Halfcut BC Series Full Black **475 W**** are bifacial - they capture reflected light from the ground, which can add 5**-15%** more annual energy on ground-mount or elevated rooftop installations with a light surface beneath. ## Related comparisons - [Solar-Fabrik Mono S4 Halfcut BC Full Black 475W vs Solar-Fabrik Mono S4 Halfcut BC Full Black 480W](https://comparepv.com/compare/solar-fabrik-mono-s4-halfcut-bc-full-black-475w/solar-fabrik-mono-s4-halfcut-bc-full-black-480w) - One difference: module efficiency - [Solar-Fabrik Mono S4 Halfcut BC Full Black 475W vs Solar-Fabrik Mono S4 Halfcut BC Series Full Black 480W](https://comparepv.com/compare/solar-fabrik-mono-s4-halfcut-bc-full-black-475w/solar-fabrik-mono-s4-halfcut-bc-series-full-black-480w) - One difference: module efficiency - [Solar-Fabrik Mono S4 Halfcut BC Series Full Black 475W vs Solar-Fabrik Mono S4 Halfcut BC Series White 490W](https://comparepv.com/compare/solar-fabrik-mono-s4-halfcut-bc-series-full-black-475w/solar-fabrik-mono-s4-halfcut-bc-series-white-490w) - 3 differences, the largest is module efficiency - [Solar-Fabrik Mono S4 Halfcut BC Series Full Black 475W vs Solar-Fabrik Mono S4 Halfcut BC Series White 485W](https://comparepv.com/compare/solar-fabrik-mono-s4-halfcut-bc-series-full-black-475w/solar-fabrik-mono-s4-halfcut-bc-series-white-485w) - 3 differences, the largest is module efficiency - [Solar-Fabrik Mono S4 Halfcut BC Series Full Black 475W vs Solar-Fabrik Mono S4 Halfcut BC Series Black 480W](https://comparepv.com/compare/solar-fabrik-mono-s4-halfcut-bc-series-full-black-475w/solar-fabrik-mono-s4-halfcut-bc-series-black-480w) - One difference: module efficiency - [Solar-Fabrik Mono S4 Halfcut BC Series Full Black 475W vs Solar-Fabrik Mono S4 Halfcut BC Series Black 475W](https://comparepv.com/compare/solar-fabrik-mono-s4-halfcut-bc-series-full-black-475w/solar-fabrik-mono-s4-halfcut-bc-series-black-475w) - The same specification on paper --- Source: https://comparepv.com/compare/solar-fabrik-mono-s4-halfcut-bc-full-black-475w/solar-fabrik-mono-s4-halfcut-bc-series-full-black-475w Not in this file, on the page: the thirty-year yield curve year by year at a cell temperature you pick and a written summary generated on request.