--- title: "Isola New Energy YH250W-16M 250W Solar Panel - Specs & Review | ComparePV" description: "Isola New Energy YH250W-16M 250W solar panel. Specs: 21.22% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/isola-new-energy-yh250w-16m" updated: 2026-09-11 --- # Isola New Energy YH250W-16M Efficiency leader, no clear weak spot 74 panels in the segment PERC 250-300 W ## Identity - **Manufacturer:** Isola New Energy - **Model:** YH250W-16M - **Series:** 182M SPLIT CELL - **Rated power:** 250 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 250-300 W (74 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 250 W | 275 W | Weak - bottom 3% | | | Module efficiency | 21.22% | 17.21% | Strong - top 3% | 9,065 | | Power density | 212.2 | 172.1 | Strong - top 3% | 9,082 | | Temperature coefficient | -0.340 | -0.370 | Strong - top 5% | 8,778 | | Weight (kg) | 12.4 kg | 18.5 kg | Strong - top 3% | | | Performance warranty | 30 yrs | 25 yrs | Strong - top 20% | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.22% | 17.21% | Strong - top 3% | 9,065 | | Power density | 212.2 | 172.1 | Strong - top 3% | 9,082 | | Temperature coefficient | -0.340 | -0.370 | Strong - top 5% | 8,778 | | Weight per kWp | 49.5 | 66.5 | Strong - top 3% | 3,019 | | Performance warranty | 30 yrs | 25 yrs | Strong - top 20% | 21 | ### Strengths - **21.22% module efficiency** - Top 3% of the PERC 250-300 W segment, against a median of 17.21%. Ranked 9,065th in the whole database. - **212.2 watts per square metre** - Top 3% of the PERC 250-300 W segment, against a median of 172.1. Ranked 9,082nd in the whole database. - **49.5 kg per kWp** - Top 3% of the PERC 250-300 W segment, against a median of 66.5. Ranked 3,019th in the whole database. - **Best for:** Residential, commercial and shaded-installations. ## Specification ### Electrical - **Rated power (Pmax):** 250 W - **Efficiency:** 21.22 % - **Voltage at Pmax (Vmp):** 18.56 V - **Current at Pmax (Imp):** 13.47 A - **Open-circuit voltage (Voc):** 21.76 V - **Short-circuit current (Isc):** 14.23 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.340 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.040 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 64 ### Physical - **Length:** 1530 mm - **Width:** 770 mm - **Thickness:** 30 mm - **Weight:** 12.4 kg - **Area:** 1.18 m2 - **Power density:** 212.2 Wp/m2 ### Warranty and degradation - **Product warranty:** 30 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 90.0 % - **First-year degradation:** 2.00 % - **Annual degradation:** 0.28 % - **Output after 30 years:** 225 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 9065 of 14005 | | Power density | 9082 of 14005 | | Temperature coefficient | 8778 of 14005 | | Weight | 3019 of 14005 | | Warranty | 21 of 14005 | ## Pros - **21.22% efficiency — top of peer group** - At 21.22% module efficiency, the series significantly outperforms available peer comparables: Huayao N series M10 (13.44%) and LinkSol/JA Solar LKS-5M (18.8%). On a per-square-meter basis, this translates to roughly 12–58% more power than alternatives — a decisive advantage on constrained roof areas. - **30-year product & linear power warranty** - The manufacturer provides a 30-year warranty on both the product and linear power output, exceeding the market standard where most PERC modules (e.g., JA Solar) offer 25-year power warranties. Over the full installation lifetime this results in a measurably lower LCOE. - **Half-cut + MBB: shade tolerance and reliability** - Half-cut cell architecture reduces resistive losses by ~50% per sub-cell, while multi-busbar (MBB) interconnection shortens current path length. Under partial shading, the shaded bottom half does not curtail generation in the top half — a configuration that typically delivers 1.5–3% higher annual yield versus standard full-cell modules. - **M10 (182 mm) wafer — high power density** - The M10 wafer format (182×182 mm) enables high power packing. At 21.22% efficiency and 250 Wp, the module occupies approximately 1.18 m², yielding a power density of ~212 Wp/m² — competitive for residential prosumer installations with limited available roof area. ## Cons - **PERC vs. TOPCon — higher degradation rate** - PERC technology exhibits an annual LID/LeTID degradation rate of approximately 0.55%/year, compared to ~0.40%/year for TOPCon cells. Over 30 years, the cumulative difference amounts to roughly 4–5 percentage points of output power. With TOPCon market share exceeding 45% globally in 2025 and projected to reach 60% by 2030, the 182M SPLIT CELL series is built on a technology losing market dominance. - **Not on BNEF Tier 1 list** - Isola New Energy does not appear on the available BNEF Tier 1 module manufacturer lists (Q1 2026 — cross-checked via vicoexport.com and ComparePV). For commercial projects financed by banks or infrastructure funds, the absence of Tier 1 classification may limit product acceptance by lenders and project insurers. - **Low wattage format (250 Wp) for M10 cells** - Standard 60-cell equivalent (120 half-cut) modules built on M10 wafers typically deliver 380–430 Wp from leading manufacturers (JA Solar, LONGi). The 250 Wp output suggests a smaller cell count or non-standard layout, resulting in higher BoS (Balance of System) cost per kWp — more strings, connectors, and MPPT inputs required for equivalent system capacity. ## About this series The Isola New Energy 182M SPLIT CELL series utilizes advanced half-cut cell architecture, which drastically minimizes energy losses resulting from internal resistance. Thanks to the use of **multi-busbar (MBB)** technology, these panels provide a shorter current flow path, which directly translates into a lower risk of micro-cracks and higher long-term operational stability. The split cell design makes the modules perform excellently in partial shading conditions - when the lower part of the module is in the shade, the upper half still generates energy at full efficiency. The use of **monocrystalline M10 silicon wafers** allows for high power density, which is crucial for limited installation space on building roofs. These panels are characterized by a low temperature coefficient, guaranteeing stable power production even during intense heat. This solution is dedicated to demanding investors looking for **maximum efficiency per square meter** while maintaining excellent mechanical resistance to wind pressure and snow loads. Compared to conventional solutions, the 182M series offers significantly better **shade tolerance** and extended cell lifespan, making it a safe choice for both residential prosumer installations and large-scale commercial projects. ## Notable figures - Efficiency of 21.2% is 1.8pp above the \*\*PERC 0-400W\*\* median (19.4%) - At 212.2 W/m² power density, this panel generates 17.8 W/m² more per unit area than \*\*PERC 0-400W\*\* median (194.4 W/m²) - Temperature coefficient of -0.34%/°C matches the \*\*PERC 0-400W\*\* median - At 12.4 kg, this panel is 8.1 kg lighter than \*\*PERC 0-400W\*\* median (20.5 kg) - easier handling during installation - #9065 for efficiency, #8778 for temperature performance out of 14005 panels ## Questions ### How does the Isola New Energy 182M SPLIT CELL series handle partial shading? The split cell design divides the module into two electrically independent halves. When the lower portion of the panel is shaded by a chimney, dormer, or neighboring structure, the upper half continues generating power at full capacity. This results in noticeably lower energy losses compared to full-cell modules, making the series a practical choice for rooftops with complex geometry or multiple shading obstacles. ### What warranty does the Isola New Energy 182M SPLIT CELL come with, and what does it cover? The manufacturer offers a 30-year product warranty covering material defects and workmanship, along with a 30-year power output warranty guaranteeing that the panel retains the efficiency levels stated in the warranty certificate. This warranty length places the 182M SPLIT CELL among the top-tier options on the market and significantly reduces investment risk for both residential and commercial-scale installations. ### Are Isola New Energy 182M SPLIT CELL panels a good fit for a small roof with limited mounting space? Yes. The 182M series uses M10 monocrystalline silicon wafers measuring 182×182 mm, which deliver high power density per square meter. This means more total capacity can be installed in a given roof area compared to older polycrystalline or M6-format cells. The series is therefore well-suited for installations where roof space is constrained and maximizing system output is a priority. ### What is multi-busbar (MBB) technology in the 182M SPLIT CELL and what are its benefits? Multi-busbar (MBB) replaces the traditional 3-5 wide silver busbars with a larger number of thin conductors that collect current from the PERC cell. The shorter current path reduces internal resistive losses and improves efficiency. Equally important, thinner busbars exert less mechanical stress on the cell, lowering the risk of microcracks and contributing to longer panel service life under demanding weather conditions. ### Does the 250 Wp Isola New Energy 182M SPLIT CELL maintain good performance during summer heat? Photovoltaic panels lose output as temperature rises, but the 182M SPLIT CELL series features a low temperature coefficient. In practice, even when the module heats up to 60-70°C on hot sunny days, power losses remain lower than those of older-generation standard PERC panels. This is a meaningful advantage in regions with long, hot summers where thermal derating would otherwise noticeably cut energy yields. ### Is the Isola New Energy 182M SPLIT CELL series compatible with popular inverters available on the European market? Yes. Panels in this series comply with IEC 61215 and IEC 61730 standards, ensuring compatibility with inverters from leading brands available in Europe, including SMA, Fronius, Huawei, and SolarEdge. Before system design, verify that the string voltage and current parameters of the chosen 182M SPLIT CELL array fall within the MPPT input range of the selected inverter model. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/250w-1530x770x30-c540ff7221dd.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [JA Solar NS-300MH-72](https://comparepv.com/panel/ja-solar-ns-300mh-72) | 300 W | +50 W, cooler, +2.1 pp | | [PolyCrown Solar Tech NS-300MH-72](https://comparepv.com/panel/polycrown-solar-tech-ns-300mh-72) | 300 W | +50 W, cooler, +2.1 pp | | [Heckert Solar ZEUS 1.2 FullBlack 280W](https://comparepv.com/panel/heckert-solar-zeus-1-2-fullblack-280w) | 280 W | +30 W, cooler, +2.1 pp | | [Gamko New Energy GKA182M285W](https://comparepv.com/panel/gamko-new-energy-gka182m285w) | 285 W | +35 W, lighter, +1.8 pp | | [Gamko New Energy GKA182M200W](https://comparepv.com/panel/gamko-new-energy-gka182m200w) | 200 W | -50 W, lighter, +1.8 pp | | [Gamko New Energy GKA182M240W](https://comparepv.com/panel/gamko-new-energy-gka182m240w) | 240 W | -10 W, lighter, +1.8 pp | | [Gamko New Energy GKA182M260W](https://comparepv.com/panel/gamko-new-energy-gka182m260w) | 260 W | +10 W, lighter, +1.8 pp | | [Gamko New Energy GKA182M270W](https://comparepv.com/panel/gamko-new-energy-gka182m270w) | 270 W | +20 W, lighter, +1.8 pp | | [Gamko New Energy GKA182M300W](https://comparepv.com/panel/gamko-new-energy-gka182m300w) | 300 W | +50 W, heavier, +1.8 pp | | [DMEGC DM270M10T-B32HBT](https://comparepv.com/panel/hengdian-group-dmegc-magnetics-co-ltd-dmegc-solar-dm270m10t-b32hbt) | 270 W | Cooler, heavier, +1.7 pp | | [Heckert Solar ZEUS 1.2 FullBlack 275W](https://comparepv.com/panel/heckert-solar-zeus-1-2-fullblack-275w) | 275 W | +25 W, cooler, +1.7 pp | | [Heckert Solar ZEUS 1.2 FullBlack 270W](https://comparepv.com/panel/heckert-solar-zeus-1-2-fullblack-270w) | 270 W | +20 W, cooler, +1.2 pp | --- Source: https://comparepv.com/panel/isola-new-energy-yh250w-16m 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.