--- title: "Resun Solar RSM080P 80W Solar Panel - Specs & Review | ComparePV" description: "Resun Solar RSM080P 80W solar panel. Specs: 15.50% efficiency, Polycrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/resun-solar-rsm080p" updated: 2026-09-11 --- # Resun Solar RSM080P Warranty pick, weak in heat 180 panels in the 0-180 W band, all technologies ## Identity - **Manufacturer:** Resun Solar - **Model:** RSM080P - **Rated power:** 80 W - **Cell technology:** Polycrystalline ## How it compares Compared against 0-180 W band, all technologies (180 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 80 W | 125 W | Weak - bottom 6% | | | Module efficiency | 15.50% | 15.60% | Typical | 13,717 | | Power density | 155.1 | 154.1 | Typical | 13,706 | | Temperature coefficient | -0.390 | -0.370 | Weak - bottom 18% | 13,579 | | Weight (kg) | 5.7 kg | 10.8 kg | Typical | | | Performance warranty | 30 yrs | 25 yrs | Strong - top 16% | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 15.50% | 15.60% | Typical | 13,717 | | Power density | 155.1 | 154.1 | Typical | 13,706 | | Temperature coefficient | -0.390 | -0.370 | Weak - bottom 18% | 13,579 | | Weight per kWp | 71.2 | 72.7 | Typical | 13,468 | | Performance warranty | 30 yrs | 25 yrs | Strong - top 16% | 21 | ### Strengths - **30 year performance warranty** - Top 16% of the 0-180 W band, against a median of 25 yrs. ### Watch out for - **-0.390 %/°C temperature coefficient** - Bottom 18% of the 0-180 W band, against a median of -0.370. - **Best for:** Owners who value a long output guarantee. - **Not ideal for:** Hot climates. ## Specification ### Electrical - **Rated power (Pmax):** 80 W - **Efficiency:** 15.50 % - **Voltage at Pmax (Vmp):** 19.20 V - **Current at Pmax (Imp):** 4.17 A - **Open-circuit voltage (Voc):** 23.04 V - **Short-circuit current (Isc):** 4.58 A - **Max system voltage:** 1000 V ### Temperature - **Temperature coefficient of Pmax:** -0.390 %/degC - **Temperature coefficient of Voc:** -0.320 %/degC - **Temperature coefficient of Isc:** 0.050 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Polycrystalline - **Cell count:** 36 ### Physical - **Length:** 770 mm - **Width:** 670 mm - **Thickness:** 25 mm - **Weight:** 5.7 kg - **Area:** 0.52 m2 - **Power density:** 155.1 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 years - **Performance warranty:** 30 years - **Annual degradation:** 0.50 % - **Output after 30 years:** 68 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 13717 of 14005 | | Power density | 13706 of 14005 | | Temperature coefficient | 13579 of 14005 | | Weight | 13468 of 14005 | | Warranty | 21 of 14005 | ## Notable figures - Efficiency of 15.5% is 6.3pp below the \*\*database\*\* median (21.8%) - Power density of 155.1 W/m² is 63.0 W/m² below \*\*database\*\* median (218.1 W/m²) - needs more roof space - Temperature coefficient of -0.39%/°C is 0.09pp worse than \*\*database\*\* median (-0.30%/°C) - higher losses in summer heat - At 5.7 kg, this panel is 20.8 kg lighter than \*\*database\*\* median (26.5 kg) - easier handling during installation - #13717 for efficiency, #13579 for temperature performance out of 14005 panels ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/RSM080P-5b29a1d6f91d.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Waaree WS-110 /12V](https://comparepv.com/panel/waaree-ws-110-12v) | 110 W | +30 W, heavier, -20 yr warranty | | [Waaree WS-130 /12V](https://comparepv.com/panel/waaree-ws-130-12v) | 130 W | +50 W, heavier, -20 yr warranty | | [Waaree WS-105 /12V](https://comparepv.com/panel/waaree-ws-105-12v) | 105 W | +25 W, heavier, -20 yr warranty | | [Resun Solar RSM090P](https://comparepv.com/panel/resun-solar-rsm090p) | 90 W | +10 W, -0.7 pp | | [Resun Solar RSM070P](https://comparepv.com/panel/resun-solar-rsm070p) | 70 W | -10 W, -1.7 pp | | [PolyCrown Solar Tech NS-100MH-36](https://comparepv.com/panel/polycrown-solar-tech-ns-100mh-36) | 100 W | Cooler, +5.8 pp, -5 yr warranty | | [Isola New Energy YH100W-12M](https://comparepv.com/panel/isola-new-energy-yh100w-12m) | 100 W | +20 W, lighter, +4.1 pp | | [Centro Energy CE-100M36](https://comparepv.com/panel/centro-energy-ce-100m36) | 100 W | Hotter, +4.1 pp, -5 yr warranty | | [Renesola YH100W-18M](https://comparepv.com/panel/renesola-yh100w-18m) | 100 W | +20 W, cooler, +3.9 pp | | [Isola New Energy YH100W-18M](https://comparepv.com/panel/isola-new-energy-yh100w-18m) | 100 W | +20 W, cooler, +3.9 pp | | [Renesola YH95W-18M](https://comparepv.com/panel/renesola-yh95w-18m) | 95 W | +15 W, cooler, +3.0 pp | | [Isola New Energy YH95W-18M](https://comparepv.com/panel/isola-new-energy-yh95w-18m) | 95 W | +15 W, cooler, +3.0 pp | | [Runtech China RT100WM](https://comparepv.com/panel/runtech-china-rt100wm) | 100 W | +20 W, cooler, -0.6 pp | | [Resun Solar RSM060P](https://comparepv.com/panel/resun-solar-rsm060p) | 60 W | -20 W, -1.5 pp | --- Source: https://comparepv.com/panel/resun-solar-rsm080p Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.