---
title: "Exiom EX425TC-108HC 425W Solar Panel - Specs & Review | ComparePV"
description: "Exiom EX425TC-108HC 425W solar panel. Specs: 21.76% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient."
source: "https://comparepv.com/panel/exiom-ex425tc-108hc"
updated: 2026-09-22
---

# Exiom EX425TC-108HC

Light for its output, no clear weak spot

1,218 panels in the segment TOPCon 400-450 W


## Identity

- **Manufacturer:** Exiom
- **Model:** EX425TC-108HC
- **Rated power:** 425 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) | 425 W | 435 W | Typical |  |
| Module efficiency | 21.76% | 22.00% | Typical | 7,285 |
| Power density | 217.6 | 220.2 | Typical | 7,172 |
| Temperature coefficient | -0.300 | -0.290 | Typical | 6,093 |
| Weight (kg) | 19.5 kg | 22.0 kg | Strong - top 5% |  |
| Performance warranty | 30 yrs | 30 yrs | Typical | 21 |


### Full peer table


| Measure | This panel | Segment median | Standing | Rank |
| --- | --- | --- | --- | --- |
| Module efficiency | 21.76% | 22.00% | Typical | 7,285 |
| Power density | 217.6 | 220.2 | Typical | 7,172 |
| Temperature coefficient | -0.300 | -0.290 | Typical | 6,093 |
| Weight per kWp | 45.9 | 51.4 | Strong - top 5% | 907 |
| Performance warranty | 30 yrs | 30 yrs | Typical | 21 |


### Strengths

- **45.9 kg per kWp** - Top 5% of the TOPCon 400-450 W segment, against a median of 51.4. Ranked 907th in the whole database.

- **Best for:** Weight-limited structures.


## Specification


### Electrical

- **Rated power (Pmax):** 425 W
- **Efficiency:** 21.76 %
- **Voltage at Pmax (Vmp):** 32.10 V
- **Current at Pmax (Imp):** 13.24 A
- **Open-circuit voltage (Voc):** 38.20 V
- **Short-circuit current (Isc):** 13.98 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:** 217.6 Wp/m2


### Warranty and degradation

- **Product warranty:** 25 years
- **Performance warranty:** 30 years


## Rank in the whole catalogue


| Measure | Position |
| --- | --- |
| Efficiency | 7285 of 14005 |
| Power density | 7172 of 14005 |
| Temperature coefficient | 6093 of 14005 |
| Weight | 907 of 14005 |
| Warranty | 21 of 14005 |


## Notable figures

- Efficiency of 21.8% matches the \*\*TOPCon 400-450W\*\* median
- At 217.6 W/m² power density, roof space requirements are typical for \*\*TOPCon 400-450W\*\* panels
- 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
- Ranked #7285 out of 14005 panels for efficiency in the database


## Datasheet

[Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/EX425-455TCB-108HC182-c9efd7f9ff4e.pdf)


## Alternatives


| Panel | Power | How it differs |
| --- | --- | --- |
| [Maxeon SPR-MAX7-475](https://comparepv.com/panel/maxeon-spr-max7-475) | 475 W | +50 W, +2.2 pp, +10 yr warranty |
| [Just Solar JST-EDMH-(445-465)W-TD (465W class)](https://comparepv.com/panel/just-solar-jst-edmh-445-465-w-td-465w-class) | 465 W | +40 W, heavier, +2.0 pp |
| [JA Solar JAT54S40-475/LR](https://comparepv.com/panel/ja-solar-jat54s40-475-lr) | 475 W | +50 W, cooler, +2.0 pp |
| [Tongwei TWMNH-48HW475](https://comparepv.com/panel/tongwei-solar-twmnh-48hw475) | 475 W | +50 W, heavier, +2.0 pp |
| [Astronergy CHSM48RN(DG)/F-BH-475](https://comparepv.com/panel/astronergy-chint-new-energy-technology-co-ltd-chsm48rn-dg-f-bh-475) | 475 W | +50 W, heavier, +2.0 pp |
| [AIKO AIKO-A475-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a475-mce54mw) | 475 W | +50 W, cooler, +2.0 pp |
| [AIKO AIKO-A475-MAH54Mw](https://comparepv.com/panel/aiko-aiko-a475-mah54mw) | 475 W | +50 W, cooler, +2.0 pp |
| [Exiom EX430TC-108HC](https://comparepv.com/panel/exiom-ex430tc-108hc) | 430 W | +0.3 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 | +15 W, +0.8 pp |
| [Exiom EX445TC-108HC](https://comparepv.com/panel/exiom-ex445tc-108hc) | 445 W | +20 W, +1.0 pp |
| [Exiom EX450TC-108HC](https://comparepv.com/panel/exiom-ex450tc-108hc) | 450 W | +25 W, +1.3 pp |
| [Exiom EX455TC-108HC](https://comparepv.com/panel/exiom-ex455tc-108hc) | 455 W | +30 W, +1.5 pp |
| [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +85 W, cooler, +3.2 pp |
| [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +70 W, cooler, +3.0 pp |
| [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +80 W, cooler, +2.9 pp |


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Source: https://comparepv.com/panel/exiom-ex425tc-108hc

Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.