--- title: "Exiom EX445TC-108HC 445W Solar Panel - Specs & Review | ComparePV" description: "Exiom EX445TC-108HC 445W solar panel. Specs: 22.79% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/exiom-ex445tc-108hc" updated: 2026-09-22 --- # Exiom EX445TC-108HC Space saver, no clear weak spot 1,218 panels in the segment TOPCon 400-450 W ## Identity - **Manufacturer:** Exiom - **Model:** EX445TC-108HC - **Rated power:** 445 W - **Cell technology:** TOPCon ## How it compares Compared against segment TOPCon 400-450 W (1218 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 445 W | 435 W | Strong - top 8% | | | Module efficiency | 22.79% | 22.00% | Strong - top 3% | 3,005 | | Power density | 227.9 | 220.2 | Strong - top 2% | 2,790 | | Temperature coefficient | -0.300 | -0.290 | Typical | 6,093 | | Weight (kg) | 19.5 kg | 22.0 kg | Strong - top 3% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.79% | 22.00% | Strong - top 3% | 3,005 | | Power density | 227.9 | 220.2 | Strong - top 2% | 2,790 | | Temperature coefficient | -0.300 | -0.290 | Typical | 6,093 | | Weight per kWp | 43.8 | 51.4 | Strong - top 3% | 348 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **227.9 watts per square metre** - Top 2% of the TOPCon 400-450 W segment, against a median of 220.2. Ranked 2,790th in the whole database. - **22.79% module efficiency** - Top 3% of the TOPCon 400-450 W segment, against a median of 22.00%. Ranked 3,005th in the whole database. - **43.8 kg per kWp** - Top 3% of the TOPCon 400-450 W segment, against a median of 51.4. Ranked 348th in the whole database. - **Best for:** Roofs where every square metre counts, small roofs that need every watt and weight-limited structures. ## Specification ### Electrical - **Rated power (Pmax):** 445 W - **Efficiency:** 22.79 % - **Voltage at Pmax (Vmp):** 32.78 V - **Current at Pmax (Imp):** 13.58 A - **Open-circuit voltage (Voc):** 39.00 V - **Short-circuit current (Isc):** 14.39 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:** 227.9 Wp/m2 ### Warranty and degradation - **Product warranty:** 25 years - **Performance warranty:** 30 years ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 3005 of 14005 | | Power density | 2790 of 14005 | | Temperature coefficient | 6093 of 14005 | | Weight | 348 of 14005 | | Warranty | 21 of 14005 | ## Notable figures - Efficiency of 22.8% is 0.8pp above the \*\*TOPCon 400-450W\*\* median (22.0%) - At 227.9 W/m² power density, this panel generates 7.7 W/m² more per unit area than \*\*TOPCon 400-450W\*\* median (220.2 W/m²) - At -0.30%/°C, hot weather performance is typical for \*\*TOPCon 400-450W\*\* panels - At 19.5 kg, this panel is 2.5 kg lighter than \*\*TOPCon 400-450W\*\* median (22.0 kg) - easier handling during installation - In the top 21% 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 | +50 W, cooler, +2.0 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +45 W, cooler, +1.7 pp | | [Suntech STP-NT11/48QGSF-490](https://comparepv.com/panel/suntech-stp-nt11-48qgsf-490) | 490 W | +45 W, cooler, +1.7 pp | | [JA Solar JAT54S40-485/LR](https://comparepv.com/panel/ja-solar-jat54s40-485-lr) | 485 W | +40 W, cooler, +1.5 pp | | [AIKO AIKO-A485-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a485-mce54mw) | 485 W | +40 W, cooler, +1.5 pp | | [Longi Solar LR7-54HJD-495M](https://comparepv.com/panel/longi-lr7-54hjd-495m) | 495 W | +50 W, cooler, +1.5 pp | | [AIKO AIKO-A485-MAH54Mw](https://comparepv.com/panel/aiko-aiko-a485-mah54mw) | 485 W | +40 W, cooler, +1.5 pp | | [Exiom EX425TC-108HC](https://comparepv.com/panel/exiom-ex425tc-108hc) | 425 W | -20 W, -1.0 pp | | [Exiom EX430TC-108HC](https://comparepv.com/panel/exiom-ex430tc-108hc) | 430 W | -15 W, -0.8 pp | | [Exiom EX435TC-108HC](https://comparepv.com/panel/exiom-ex435tc-108hc) | 435 W | -10 W, -0.5 pp | | [Exiom EX440TC-108HC](https://comparepv.com/panel/exiom-ex440tc-108hc) | 440 W | -0.3 pp | | [Exiom EX450TC-108HC](https://comparepv.com/panel/exiom-ex450tc-108hc) | 450 W | +0.2 pp | | [Exiom EX455TC-108HC](https://comparepv.com/panel/exiom-ex455tc-108hc) | 455 W | +10 W, +0.5 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +65 W, cooler, +2.2 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +60 W, cooler, +1.9 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +55 W, cooler, +1.7 pp | --- Source: https://comparepv.com/panel/exiom-ex445tc-108hc Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.