--- title: "Resun Solar RS9E-155M 155W Solar Panel - Specs & Review | ComparePV" description: "Resun Solar RS9E-155M 155W solar panel. Specs: 18.05% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/resun-solar-rs9e-155m" updated: 2026-09-11 --- # Resun Solar RS9E-155M Warranty pick, no clear weak spot 347 panels in the 55-255 W band, all technologies ## Identity - **Manufacturer:** Resun Solar - **Model:** RS9E-155M - **Rated power:** 155 W - **Cell technology:** Monocrystalline ## How it compares Compared against 55-255 W band, all technologies (347 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 155 W | 175 W | Typical | | | Module efficiency | 18.05% | 15.92% | Strong - top 25% | 13,218 | | Power density | 180.5 | 159.1 | Strong - top 24% | 13,199 | | Temperature coefficient | -0.350 | -0.370 | Strong - top 20% | 10,419 | | Weight (kg) | 8.9 kg | 12.5 kg | Strong - top 21% | | | Performance warranty | 30 yrs | 25 yrs | Strong - top 17% | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 18.05% | 15.92% | Strong - top 25% | 13,218 | | Power density | 180.5 | 159.1 | Strong - top 24% | 13,199 | | Temperature coefficient | -0.350 | -0.370 | Strong - top 20% | 10,419 | | Weight per kWp | 57.4 | 70.0 | Strong - top 21% | 11,204 | | Performance warranty | 30 yrs | 25 yrs | Strong - top 17% | 21 | ### Strengths - **30 year performance warranty** - Top 17% of the 55-255 W band, against a median of 25 yrs. - **-0.350 %/°C temperature coefficient** - Top 20% of the 55-255 W band, against a median of -0.370. - **57.4 kg per kWp** - Top 21% of the 55-255 W band, against a median of 70.0. - **Best for:** Owners who value a long output guarantee, hot roofs and southern climates and weight-limited structures. ## Specification ### Electrical - **Rated power (Pmax):** 155 W - **Efficiency:** 18.05 % - **Voltage at Pmax (Vmp):** 20.16 V - **Current at Pmax (Imp):** 7.69 A - **Open-circuit voltage (Voc):** 24.05 V - **Short-circuit current (Isc):** 8.33 A - **Max system voltage:** 1000 V ### Temperature - **Temperature coefficient of Pmax:** -0.350 %/degC - **Temperature coefficient of Voc:** -0.280 %/degC - **Temperature coefficient of Isc:** 0.048 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell count:** 36 ### Physical - **Length:** 1270 mm - **Width:** 676 mm - **Thickness:** 30 mm - **Weight:** 8.9 kg - **Area:** 0.86 m2 - **Power density:** 180.5 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 years - **Performance warranty:** 30 years - **Annual degradation:** 0.50 % - **Output after 30 years:** 131 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 13218 of 14005 | | Power density | 13199 of 14005 | | Temperature coefficient | 10419 of 14005 | | Weight | 11204 of 14005 | | Warranty | 21 of 14005 | ## Notable figures - Module efficiency of 18.1% is 3.8pp below average for \*\*database\*\* panels (median: 21.8%) - At 180.5 W/m², this panel generates 37.6 W/m² less per unit area than \*\*database\*\* median (218.1 W/m²) - Temperature coefficient of -0.35%/°C is 0.05pp worse than \*\*database\*\* median (-0.30%/°C) - higher losses in summer heat - Weight of 8.9 kg (17.6 kg below \*\*database\*\* median of 26.5 kg) allows easier transport and roof mounting - Ranked #13218 out of 14005 panels for efficiency in the database ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/RS9E155M-b123f407b9df.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Gamko New Energy GKA182M150W](https://comparepv.com/panel/gamko-new-energy-gka182m150w) | 150 W | +4.9 pp | | [Gamko New Energy GKA182M160W](https://comparepv.com/panel/gamko-new-energy-gka182m160w) | 160 W | +4.9 pp | | [Gamko New Energy GKA182M180W](https://comparepv.com/panel/gamko-new-energy-gka182m180w) | 180 W | +25 W, +4.9 pp | | [Gamko New Energy GKA182M200W](https://comparepv.com/panel/gamko-new-energy-gka182m200w) | 200 W | +45 W, +4.9 pp | | [Gamko New Energy GKA182M120W](https://comparepv.com/panel/gamko-new-energy-gka182m120w) | 120 W | -35 W, lighter, +4.9 pp | | [Gamko New Energy GKA182M135W](https://comparepv.com/panel/gamko-new-energy-gka182m135w) | 135 W | -20 W, lighter, +4.9 pp | | [Gamko New Energy GKA182M110W](https://comparepv.com/panel/gamko-new-energy-gka182m110w) | 110 W | -45 W, lighter, +4.9 pp | | [Centro Energy CE-180M60](https://comparepv.com/panel/centro-energy-ce-180m60) | 180 W | Hotter, +2.5 pp, -5 yr warranty | | [Easun Power YH200W-12M](https://comparepv.com/panel/easun-power-yh200w-12m) | 200 W | Hotter, lighter, +2.4 pp | | [Isola New Energy YH200W-12M](https://comparepv.com/panel/isola-new-energy-yh200w-12m) | 200 W | Hotter, lighter, +2.4 pp | | [JA Solar NS-220MH-80](https://comparepv.com/panel/ja-solar-ns-220mh-80) | 220 W | +65 W, cooler, +4.0 pp | | [PolyCrown Solar Tech NS-220MH-80](https://comparepv.com/panel/polycrown-solar-tech-ns-220mh-80) | 220 W | +65 W, cooler, +4.0 pp | | [JA Solar NS-210MH-80](https://comparepv.com/panel/ja-solar-ns-210mh-80) | 210 W | +55 W, cooler, +3.0 pp | | [PolyCrown Solar Tech NS-210MH-80](https://comparepv.com/panel/polycrown-solar-tech-ns-210mh-80) | 210 W | +55 W, cooler, +3.0 pp | | [JA Solar NS-200MH-80](https://comparepv.com/panel/ja-solar-ns-200mh-80) | 200 W | Cooler, +2.0 pp, -5 yr warranty | | [PolyCrown Solar Tech NS-200MH-80](https://comparepv.com/panel/polycrown-solar-tech-ns-200mh-80) | 200 W | Cooler, +2.0 pp, -5 yr warranty | --- Source: https://comparepv.com/panel/resun-solar-rs9e-155m Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.