--- title: "SpolarPV SP310RHM6-54L 310W Solar Panel - Specs & Review | ComparePV" description: "SpolarPV SP310RHM6-54L 310W solar panel. Specs: 15.87% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/spolarpv-sp310rhm6-54l" updated: 2026-09-11 --- # SpolarPV SP310RHM6-54L Strong in heat, modest efficiency 286 panels in the segment PERC 300-350 W ## Identity - **Manufacturer:** SpolarPV - **Model:** SP310RHM6-54L - **Rated power:** 310 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 300-350 W (286 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 310 W | 325 W | Weak - bottom 17% | | | Module efficiency | 15.87% | 19.00% | Weak - bottom 5% | 13,671 | | Power density | 159.0 | 190.0 | Weak - bottom 6% | 13,658 | | Temperature coefficient | -0.350 | -0.360 | Strong - top 14% | 10,419 | | Weight (kg) | 21.0 kg | 19.0 kg | Typical | | | Performance warranty | 25 yrs | 25 yrs | Typical | 9,798 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 15.87% | 19.00% | Weak - bottom 5% | 13,671 | | Power density | 159.0 | 190.0 | Weak - bottom 6% | 13,658 | | Temperature coefficient | -0.350 | -0.360 | Strong - top 14% | 10,419 | | Weight per kWp | 67.7 | 60.0 | Typical | 13,274 | | Performance warranty | 25 yrs | 25 yrs | Typical | 9,798 | ### Strengths - **-0.350 %/°C temperature coefficient** - Top 14% of the PERC 300-350 W segment, against a median of -0.360. ### Watch out for - **15.87% module efficiency** - Bottom 5% of the PERC 300-350 W segment, against a median of 19.00%. Ranked 13,671st in the whole database. - **159.0 watts per square metre** - Bottom 6% of the PERC 300-350 W segment, against a median of 190.0. Ranked 13,658th in the whole database. - **Best for:** Hot roofs and southern climates. - **Not ideal for:** Tight roof space and roofs where every square metre has to count. ## Specification ### Electrical - **Rated power (Pmax):** 310 W - **Efficiency:** 15.87 % - **Voltage at Pmax (Vmp):** 32.22 V - **Current at Pmax (Imp):** 9.68 A - **Open-circuit voltage (Voc):** 37.90 V - **Short-circuit current (Isc):** 10.27 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.350 %/degC - **Temperature coefficient of Voc:** -0.275 %/degC - **Temperature coefficient of Isc:** 0.045 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 108 ### Physical - **Length:** 1721 mm - **Width:** 1133 mm - **Thickness:** 30 mm - **Weight:** 21.0 kg - **Area:** 1.95 m2 - **Power density:** 159.0 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 years - **Performance warranty:** 25 years - **Output guaranteed at end of warranty:** 84.8 % - **First-year degradation:** 2.00 % - **Annual degradation:** 0.55 % - **Output after 30 years:** 254 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 13671 of 14005 | | Power density | 13658 of 14005 | | Temperature coefficient | 10419 of 14005 | | Weight | 13274 of 14005 | | Warranty | 9798 of 14005 | ## Notable figures - Efficiency of 15.9% is 3.6pp below the \*\*PERC 0-400W\*\* median (19.4%) - At 159.0 W/m², this panel generates 35.4 W/m² less per unit area than \*\*PERC 0-400W\*\* median (194.4 W/m²) - At -0.35%/°C, hot weather performance is typical for \*\*PERC 0-400W\*\* panels - In the top 98% for efficiency among all PERC panels ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/SPV-RYGB-088d0b83a608.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [JA Solar NS-300MH-72](https://comparepv.com/panel/ja-solar-ns-300mh-72) | 300 W | Cooler, lighter, +7.5 pp | | [PolyCrown Solar Tech NS-300MH-72](https://comparepv.com/panel/polycrown-solar-tech-ns-300mh-72) | 300 W | Cooler, lighter, +7.5 pp | | [Heckert Solar ZEUS 1.2 FullBlack 280W](https://comparepv.com/panel/heckert-solar-zeus-1-2-fullblack-280w) | 280 W | Cooler, lighter, +7.4 pp | | [JA Solar NS-330MH-80](https://comparepv.com/panel/ja-solar-ns-330mh-80) | 330 W | Cooler, lighter, +7.3 pp | | [PolyCrown Solar Tech NS-330MH-80](https://comparepv.com/panel/polycrown-solar-tech-ns-330mh-80) | 330 W | Cooler, lighter, +7.3 pp | | [Gamko New Energy GKA182M285W](https://comparepv.com/panel/gamko-new-energy-gka182m285w) | 285 W | Lighter, +7.1 pp, +5 yr warranty | | [Gamko New Energy GKA182M260W](https://comparepv.com/panel/gamko-new-energy-gka182m260w) | 260 W | -50 W, lighter, +7.1 pp | | [Gamko New Energy GKA182M270W](https://comparepv.com/panel/gamko-new-energy-gka182m270w) | 270 W | Lighter, +7.1 pp, +5 yr warranty | | [Gamko New Energy GKA182M300W](https://comparepv.com/panel/gamko-new-energy-gka182m300w) | 300 W | Lighter, +7.1 pp, +5 yr warranty | | [SpolarPV SP350YHM6-54L](https://comparepv.com/panel/spolarpv-sp350yhm6-54l) | 350 W | +40 W, +2.1 pp | | [SpolarPV SP370GHM6-54L](https://comparepv.com/panel/spolarpv-sp370ghm6-54l) | 370 W | +60 W, +3.1 pp | | [SpolarPV SP380GHM6-54L](https://comparepv.com/panel/spolarpv-sp380ghm6-54l) | 380 W | +70 W, +3.6 pp | | [SpolarPV SPV420-TM10-108](https://comparepv.com/panel/spolarpv-spv420-tm10-108) | 420 W | +110 W, +5.7 pp, +5 yr warranty | | [SpolarPV SPV425-TM10-108](https://comparepv.com/panel/spolarpv-spv425-tm10-108) | 425 W | +115 W, +5.9 pp, +5 yr warranty | | [SpolarPV SPV425-TM10-108BD](https://comparepv.com/panel/spolarpv-spv425-tm10-108bd) | 425 W | +115 W, +5.9 pp, +5 yr warranty | | [SpolarPV SPV430-TM10-108](https://comparepv.com/panel/spolarpv-spv430-tm10-108) | 430 W | +120 W, +6.2 pp, +5 yr warranty | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +200 W, cooler, +9.1 pp | --- Source: https://comparepv.com/panel/spolarpv-sp310rhm6-54l Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.