--- title: "Exiom EX450TC-108HC 450W Solar Panel - Specs & Review | ComparePV" description: "Exiom EX450TC-108HC 450W solar panel. Specs: 23.04% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/exiom-ex450tc-108hc" updated: 2026-09-22 --- # Exiom EX450TC-108HC Light for its output, weak in heat 1,089 panels in the segment TOPCon 450-500 W ## Identity - **Manufacturer:** Exiom - **Model:** EX450TC-108HC - **Rated power:** 450 W - **Cell technology:** TOPCon ## How it compares Compared against segment TOPCon 450-500 W (1089 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 450 W | 465 W | Weak - bottom 9% | | | Module efficiency | 23.04% | 22.52% | Strong - top 14% | 1,711 | | Power density | 230.4 | 225.2 | Strong - top 14% | 1,708 | | Temperature coefficient | -0.300 | -0.290 | Weak - bottom 20% | 6,093 | | Weight (kg) | 19.5 kg | 24.0 kg | Strong - top 2% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 23.04% | 22.52% | Strong - top 14% | 1,711 | | Power density | 230.4 | 225.2 | Strong - top 14% | 1,708 | | Temperature coefficient | -0.300 | -0.290 | Weak - bottom 20% | 6,093 | | Weight per kWp | 43.3 | 52.2 | Strong - top 2% | 292 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **43.3 kg per kWp** - Top 2% of the TOPCon 450-500 W segment, against a median of 52.2. Ranked 292nd in the whole database. - **230.4 watts per square metre** - Top 14% of the TOPCon 450-500 W segment, against a median of 225.2. - **23.04% module efficiency** - Top 14% of the TOPCon 450-500 W segment, against a median of 22.52%. ### Watch out for - **-0.300 %/°C temperature coefficient** - Bottom 20% of the TOPCon 450-500 W segment, against a median of -0.290. - **Best for:** Weight-limited structures, roofs where every square metre counts and small roofs that need every watt. - **Not ideal for:** Hot climates. ## Specification ### Electrical - **Rated power (Pmax):** 450 W - **Efficiency:** 23.04 % - **Voltage at Pmax (Vmp):** 32.95 V - **Current at Pmax (Imp):** 13.66 A - **Open-circuit voltage (Voc):** 39.20 V - **Short-circuit current (Isc):** 14.48 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:** 0.043 %/degC - **NOCT:** 41 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 108 ### Physical - **Length:** 1722 mm - **Width:** 1134 mm - **Weight:** 19.5 kg - **Area:** 1.95 m2 - **Power density:** 230.4 Wp/m2 ### Warranty and degradation - **Product warranty:** 25 years - **Performance warranty:** 30 years ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 1711 of 14005 | | Power density | 1708 of 14005 | | Temperature coefficient | 6093 of 14005 | | Weight | 292 of 14005 | | Warranty | 21 of 14005 | ## Notable figures - Efficiency of 23.0% is 0.5pp above the \*\*TOPCon 450-500W\*\* median (22.5%) - At 230.4 W/m² power density, this panel generates 5.2 W/m² more per unit area than \*\*TOPCon 450-500W\*\* median (225.2 W/m²) - Temperature coefficient of -0.30%/°C matches the \*\*TOPCon 450-500W\*\* median - Weight of 19.5 kg (4.5 kg below \*\*TOPCon 450-500W\*\* median of 24.0 kg) allows easier transport and roof mounting - In the top 12% for efficiency among all TOPCon panels ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/EX425-455TCB-108HC182-c9efd7f9ff4e.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +45 W, cooler, +1.8 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +40 W, cooler, +1.5 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +50 W, cooler, +1.5 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +50 W, cooler, +1.5 pp | | [Gokin GK-3-54HGb-500M](https://comparepv.com/panel/gokin-gk-3-54hgb-500m) | 500 W | +50 W, cooler, +1.5 pp | | [GCL GCL-NR10R/54BGDF](https://comparepv.com/panel/gcl-gcl-nr10r-54bgdf) | 500 W | +50 W, heavier, +1.5 pp | | [Exiom EX425TC-108HC](https://comparepv.com/panel/exiom-ex425tc-108hc) | 425 W | -25 W, -1.3 pp | | [Exiom EX430TC-108HC](https://comparepv.com/panel/exiom-ex430tc-108hc) | 430 W | -20 W, -1.0 pp | | [Exiom EX435TC-108HC](https://comparepv.com/panel/exiom-ex435tc-108hc) | 435 W | -15 W, -0.8 pp | | [Exiom EX440TC-108HC](https://comparepv.com/panel/exiom-ex440tc-108hc) | 440 W | -10 W, -0.5 pp | | [Exiom EX445TC-108HC](https://comparepv.com/panel/exiom-ex445tc-108hc) | 445 W | -0.2 pp | | [Exiom EX455TC-108HC](https://comparepv.com/panel/exiom-ex455tc-108hc) | 455 W | +0.2 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +60 W, cooler, +2.0 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +55 W, cooler, +1.7 pp | --- Source: https://comparepv.com/panel/exiom-ex450tc-108hc Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.