--- title: "VSUN VSUN415N-108MH-BB 415W Solar Panel - Specs & Review | ComparePV" description: "VSUN VSUN415N-108MH-BB 415W solar panel. Specs: 21.48% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/vsun-vsun415n-108mh-bb" updated: 2026-09-11 --- # VSUN VSUN415N-108MH-BB Middle of its segment, needs the roof space 1,218 panels in the segment TOPCon 400-450 W ## Identity - **Manufacturer:** VSUN - **Model:** VSUN415N-108MH-BB - **Series:** VSUN430N-108MH-BB - **Rated power:** 415 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 400-450 W (1218 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 415 W | 435 W | Weak - bottom 9% | | | Module efficiency | 21.48% | 22.00% | Weak - bottom 14% | 8,152 | | Power density | 212.5 | 220.2 | Weak - bottom 10% | 8,791 | | Temperature coefficient | -0.300 | -0.290 | Typical | 6,093 | | Weight (kg) | 21.4 kg | 22.0 kg | Typical | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.48% | 22.00% | Weak - bottom 14% | 8,152 | | Power density | 212.5 | 220.2 | Weak - bottom 10% | 8,791 | | Temperature coefficient | -0.300 | -0.290 | Typical | 6,093 | | Weight per kWp | 51.6 | 51.4 | Typical | 4,944 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Watch out for - **212.5 watts per square metre** - Bottom 10% of the TOPCon 400-450 W segment, against a median of 220.2. - **21.48% module efficiency** - Bottom 14% of the TOPCon 400-450 W segment, against a median of 22.00%. - **Best for:** Residential, commercial, shaded-installations and hot-climate. - **Not ideal for:** Roofs where every square metre has to count and tight roof space. ## Specification ### Electrical - **Rated power (Pmax):** 415 W - **Efficiency:** 21.48 % - **Voltage at Pmax (Vmp):** 31.33 V - **Current at Pmax (Imp):** 13.24 A - **Open-circuit voltage (Voc):** 37.92 V - **Short-circuit current (Isc):** 13.99 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.300 %/degC - **Temperature coefficient of Voc:** -0.240 %/degC - **Temperature coefficient of Isc:** 0.046 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 216 - **Bifacial:** yes ### Physical - **Length:** 1722 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 21.4 kg - **Area:** 1.95 m2 - **Power density:** 212.5 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 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:** 363 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 8152 of 14005 | | Power density | 8791 of 14005 | | Temperature coefficient | 6093 of 14005 | | Weight | 4944 of 14005 | | Warranty | 21 of 14005 | ## About this series The VSUN VSUN430N-108MH-BB series is designed for high productivity from every meter of roof space and stable performance for years - without unexpected issues after a few seasons. The use of **N-type cells in TOPCon technology** helps to minimize losses due to degradation and maintain better efficiency in demanding conditions. In practice, this means more predictable yields, even in hot weather, when many standard modules noticeably lose performance. The **bifacial design** is also noteworthy, as it can utilize light reflected from the ground - a real advantage on bright roofs, in ground-mounted installations, and with appropriately designed mounting structures. Thanks to **MBB with circular ribbon technology**, the panel performs better with partial shading and microcracks, and **PID resistance** increases the safety of investments with long strings and modern inverters. This is a series for installers and investors who expect quality, full black aesthetics, and precise performance in real-world conditions. ## Notable figures - Module efficiency of 21.5% is 0.5pp below average for \*\*TOPCon 400-450W\*\* panels (median: 22.0%) - At 212.5 W/m², this panel generates 7.7 W/m² less per unit area than \*\*TOPCon 400-450W\*\* median (220.2 W/m²) - Temperature coefficient of -0.30%/°C matches the \*\*TOPCon 400-450W\*\* median - Ranked #8152 out of 14005 panels for efficiency in the database ## Questions ### How does the N-type TOPCon technology in the VSUN430N-108MH-BB differ from standard PERC cells? N-type TOPCon cells have a different silicon structure than the popular PERC cells, giving them slower degradation and better performance in high roof temperatures during summer. In practice, the panel loses less power in the first year (about 1%) and less annually afterward (about 0.4%), resulting in higher energy yields over a 25-30 year lifespan compared to classic PERC modules. ### Is the VSUN430N-108MH-BB a bifacial panel, and how much extra energy can it produce? Yes, the module has a bifacial design and can generate power from its rear side as well, capturing light reflected from the roof, ground, or a light-colored facade. The actual gain depends on the surroundings - on light-colored surfaces, gravel, or white roofing membrane it can add anywhere from a few to over ten percent more annual energy compared to a monofacial module of the same 430 Wp rating. ### What warranty comes with the VSUN430N-108MH-BB panels, and what does it cover? The manufacturer provides a 12-year product warranty covering material and workmanship defects, along with a 30-year linear power output warranty. In practice, this means power may drop by no more than 1% after the first year, and by no more than 0.4% annually thereafter, ensuring strong performance even after three decades of operation. ### Is VSUN a Tier 1 manufacturer, and are its panels trustworthy? VSUN is not currently on the Bloomberg Tier 1 list, but it is a well-established manufacturer with European headquarters in Germany and its own gigawatt-scale production facilities. Lacking Tier 1 status doesn't necessarily mean lower quality - it's often a matter of financing criteria rather than technology. It's worth focusing on actual specifications, warranties, and certifications rather than the ranking alone. ### Are VSUN430N-108MH-BB panels suitable for a pitched roof on a single-family home? Yes, the series is designed for pitched roof, flat roof, and ground-mounted installations alike. The full-black aesthetic pairs well with typical roof tiles, and the MBB circular ribbon technology improves resistance to partial shading from chimneys or antennas, a common issue on single-family homes. ### What is PID resistance in the VSUN430N-108MH-BB, and why does it matter? PID (Potential Induced Degradation) is power loss caused by voltage differences in longer panel strings, common with modern transformerless inverters. The VSUN430N-108MH-BB is PID-resistant, allowing installers to design longer strings without risking premature performance loss, giving more design flexibility and better long-term investment security. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/648924121169b-4-a6583fa4e7c9.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [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 | +50 W, +2.3 pp | | [Luxor Solar LX-465M/182R-96+ GG](https://comparepv.com/panel/luxor-lx-465m-182r-96-gg) | 465 W | +50 W, cooler, +2.3 pp | | [AIKO AIKO-A460-MAH54Mb](https://comparepv.com/panel/aiko-shenzhen-aiko-digital-energy-technology-co-ltd-aiko-a460-mah54mb-1) | 460 W | +45 W, cooler, +2.1 pp | | [Luxor Solar LX-465M/182R188-108+ GG](https://comparepv.com/panel/luxor-solar-lx-465m-182r188-108-gg) | 465 W | +50 W, heavier, +2.1 pp | | [Just Solar JST-EDMH-(445-465)W-TD (460W class)](https://comparepv.com/panel/just-solar-jst-edmh-445-465-w-td-460w-class) | 460 W | +45 W, +2.1 pp | | [Luxor Solar LX-460M/182R-96+ GG](https://comparepv.com/panel/luxor-lx-460m-182r-96-gg) | 460 W | +45 W, cooler, +2.1 pp | | [Philadelphia Solar PS-MNB108(HCBF)-460W](https://comparepv.com/panel/philadelphia-solar-ps-mnb108-hcbf-460w) | 460 W | +45 W, cooler, +2.1 pp | | [JA Solar JAT54S40-460/LR](https://comparepv.com/panel/ja-solar-jat54s40-460-lr) | 460 W | +45 W, cooler, +2.0 pp | | [VSUN VSUN390-108BMH-DG](https://comparepv.com/panel/vsun-vsun390-108bmh-dg) | 390 W | -25 W, heavier, -1.5 pp | | [VSUN VSUN395-108BMH-DG](https://comparepv.com/panel/vsun-vsun395-108bmh-dg) | 395 W | Hotter, heavier, -1.2 pp | | [VSUN VSUN400-108BMH-DG](https://comparepv.com/panel/vsun-vsun400-108bmh-dg) | 400 W | Hotter, heavier, -1.0 pp | | [VSUN VSUN405-108BMH-DG](https://comparepv.com/panel/vsun-vsun405-108bmh-dg) | 405 W | Hotter, heavier, -0.7 pp | | [VSUN VSUN410-108BMH](https://comparepv.com/panel/vsun-vsun410-108bmh) | 410 W | Hotter, -0.5 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +95 W, cooler, +3.5 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +80 W, cooler, +3.3 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +90 W, cooler, +3.2 pp | --- Source: https://comparepv.com/panel/vsun-vsun415n-108mh-bb 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.