---
title: "RedSolar CETC-635TR(GDF)/132 635W Solar Panel - Specs & Review | ComparePV"
description: "RedSolar CETC-635TR(GDF)/132 635W solar panel. Specs: 22.72% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient."
source: "https://comparepv.com/panel/redsolar-cetc-635tr-gdf-132"
updated: 2026-09-11
---

# RedSolar CETC-635TR(GDF)/132

Middle of its segment, weak in heat

1,086 panels in the segment TOPCon 600-650 W


## Identity

- **Manufacturer:** RedSolar
- **Model:** CETC-635TR(GDF)/132
- **Series:** M10R-MBB TOPCon Mono Bifacial Module
- **Rated power:** 635 W
- **Cell technology:** TOPCon
- **Bifacial:** yes


## How it compares

Compared against segment TOPCon 600-650 W (1086 panels).


| Measure | This panel | Segment median | Standing | Rank |
| --- | --- | --- | --- | --- |
| Power (Wp) | 635 W | 620 W | Strong - top 16% |  |
| Module efficiency | 22.72% | 22.80% | Typical | 3,245 |
| Power density | 227.2 | 227.7 | Typical | 3,252 |
| Temperature coefficient | -0.300 | -0.290 | Weak - bottom 19% | 6,093 |
| Weight (kg) | 33.5 kg | 32.7 kg | Typical |  |
| Performance warranty | 30 yrs | 30 yrs | Typical | 21 |


### Full peer table


| Measure | This panel | Segment median | Standing | Rank |
| --- | --- | --- | --- | --- |
| Module efficiency | 22.72% | 22.80% | Typical | 3,245 |
| Power density | 227.2 | 227.7 | Typical | 3,252 |
| Temperature coefficient | -0.300 | -0.290 | Weak - bottom 19% | 6,093 |
| Weight per kWp | 52.8 | 53.1 | Typical | 6,429 |
| Performance warranty | 30 yrs | 30 yrs | Typical | 21 |


### Watch out for

- **-0.300 %/°C temperature coefficient** - Bottom 19% of the TOPCon 600-650 W segment, against a median of -0.290.

- **Best for:** Utility-scale and commercial.
- **Not ideal for:** Hot climates.


## Specification


### Electrical

- **Rated power (Pmax):** 635 W
- **Efficiency:** 22.72 %
- **Voltage at Pmax (Vmp):** 39.05 V
- **Current at Pmax (Imp):** 16.26 A
- **Open-circuit voltage (Voc):** 47.46 V
- **Short-circuit current (Isc):** 17.13 A
- **Max system voltage:** 1500 V


### Temperature

- **Temperature coefficient of Pmax:** -0.300 %/degC
- **Temperature coefficient of Voc:** -0.250 %/degC
- **Temperature coefficient of Isc:** 0.045 %/degC
- **NOCT:** 42 degC


### Cell and construction

- **Cell type:** Monocrystalline
- **Cell technology:** TOPCon
- **Cell count:** 132
- **Bifacial:** yes
- **Bifacial gain:** 25.00


### Physical

- **Length:** 2465 mm
- **Width:** 1134 mm
- **Thickness:** 30 mm
- **Weight:** 33.5 kg
- **Area:** 2.80 m2
- **Power density:** 227.2 Wp/m2


### Warranty and degradation

- **Product warranty:** 12 years
- **Performance warranty:** 30 years
- **Output guaranteed at end of warranty:** 87.4 %
- **First-year degradation:** 1.00 %
- **Annual degradation:** 0.40 %
- **Output after 30 years:** 555 W


## Rank in the whole catalogue


| Measure | Position |
| --- | --- |
| Efficiency | 3245 of 14005 |
| Power density | 3252 of 14005 |
| Temperature coefficient | 6093 of 14005 |
| Weight | 6429 of 14005 |
| Warranty | 21 of 14005 |


## Pros

- **N-type TOPCon technology with SMBB** - Half-cut TOPCon cells combined with SMBB (Super Multi Busbar) technology reduce resistive losses and improve module performance under partial shading, translating into higher and more stable energy yield compared to legacy PERC modules.
- **Bifacial design** - The bifacial construction captures additional energy reflected from the ground surface, which for bright or reflective surfaces (e.g., white-coated roofs, sandy terrain) meaningfully boosts energy output versus monofacial panels of the same nominal power.
- **30-year linear power warranty** - The 30-year power warranty matches the current benchmark for top-tier TOPCon products (e.g., Longi Hi-MO X10, Sunpro TOPCon 210R), giving investors predictable returns over the entire operating lifetime of the installation.
- **PID degradation resistance** - Carefully selected encapsulation materials reduce the risk of potential-induced degradation (PID), leading to more stable long-term module performance, particularly in high-voltage system installations.
- **Lower installation BoS cost** - The high-current, low-voltage operating characteristic reduces spending on cabling and system components (BoS), which matters for large commercial installations where balance-of-system costs represent a significant share of the budget.


## Cons

- **Efficiency below segment leaders** - The maximum module efficiency of 22.72% is noticeably lower than segment leaders in the 625-635 Wp bifacial TOPCon class — Longi Hi-MO X10 (23.5%) and Sunpro Power TOPCon 210R (23.51%). The ~0.8 pp gap means less power per m² for a comparable module footprint, which matters for space-constrained roof installations.
- **No confirmed BNEF Tier-1 status** - Unlike manufacturers such as Longi or Trina, no confirmation was found of RedSolar's inclusion on the current BloombergNEF Tier-1 list, which may be a limiting factor for institutional investors and banks financing non-recourse projects that rely on this bankability signal.


## About this series

The M10R-MBB TOPCon Mono Bifacial series is a next-generation dual-sided module built on 132 N-type TOPCon half-cut cells, designed for installations aiming to squeeze maximum output from every square meter of roof or ground space. Thanks to **SMBB (Super Multi Busbar) technology**, the panel more efficiently collects the current generated by the cell, reducing resistive losses and improving module uniformity even under partial shading. The **bifacial** construction allows the module to harvest additional energy reflected from the surrounding surface, meaningfully boosting energy yield compared to conventional monofacial panels, especially on light-colored or reflective terrain. The module is **PID resistant**, thanks to carefully selected encapsulation materials, ensuring stable performance throughout its entire operating lifetime. Its low-resistance, high-current, low-voltage electrical profile helps **lower system BOS costs** by reducing spending on cabling and balance-of-system components. The series is aimed at both commercial investors and larger prosumer installations that expect high reliability and a predictable return on investment, backed by a **long-term power warranty** covering the module's full product lifecycle.


## Notable figures

- At 22.7% efficiency, this panel is on par with typical \*\*TOPCon 600-650W\*\* modules
- At 227.2 W/m² power density, roof space requirements are typical for \*\*TOPCon 600-650W\*\* panels
- Temperature coefficient of -0.30%/°C matches the \*\*TOPCon 600-650W\*\* median
- 80% bifaciality enables rear-side power generation, boosting yield by 4-12% on reflective surfaces
- Ranked #3245 out of 14005 panels for efficiency in the database


## Questions


### What is the maximum power output of the RedSolar M10R-MBB TOPCon Mono Bifacial panel?

The M10R-MBB series reaches a maximum power output of up to 635 Wp. This is achieved through 132 N-Type TOPCon half-cut cells combined with SMBB technology, which together boost conversion efficiency and deliver higher power output per panel area compared to conventional PERC modules.


### How does TOPCon technology differ from PERC in RedSolar panels?

TOPCon (Tunnel Oxide Passivated Contact) is a newer N-Type cell technology that reduces surface recombination losses more effectively than the P-Type structure used in PERC cells. As a result, TOPCon panels like the M10R-MBB series achieve higher efficiency, a lower temperature coefficient, and slower power degradation over time.


### How much extra energy does the bifacial design of the M10R-MBB actually generate?

The additional rear-side energy gain depends on ground albedo and mounting height, typically ranging from a few percent up to the low teens annually. On bright surfaces such as white gravel or reflective roofing, the gain is noticeably higher than on grass or dark ground.


### What warranty comes with the RedSolar M10R-MBB panels?

The manufacturer provides a 12-year product warranty and a 30-year linear power output warranty. This means the module maintains its rated performance level throughout its service life as specified in the datasheet, giving investors predictability when calculating return on investment.


### Are the M10R-MBB panels PID-resistant and suitable for large commercial installations?

Yes, the module uses carefully selected encapsulation materials resistant to PID degradation, ensuring stable performance even in large strings with high system voltage. Combined with lower BoS costs thanks to its high-current, low-voltage output characteristics, the series is well suited for commercial and larger prosumer installations.


### Does SMBB technology in RedSolar panels improve shading tolerance?

Yes, Super Multi Busbar (SMBB) technology improves current collection across the cell surface and reduces resistive losses, resulting in more uniform module performance under partial shading, such as from a chimney or neighboring building, compared to panels with fewer busbars.


## Datasheet

[Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/17091024990664hpzot-b206979fc551.pdf)


## Alternatives


| Panel | Power | How it differs |
| --- | --- | --- |
| [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | Cooler, lighter, +2.5 pp |
| [AIKO AIKO-A680-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a680-mde72mw) | 680 W | +45 W, lighter, +2.5 pp |
| [AIKO AIKO-A675-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a675-mde72mw) | 675 W | +40 W, lighter, +2.3 pp |
| [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | Cooler, lighter, +2.3 pp |
| [AIKO AIKO-G670-MCH72Mw](https://comparepv.com/panel/aiko-aiko-g670-mch72mw) | 670 W | Cooler, lighter, +2.1 pp |
| [Longi Solar LR7-72HVHF-670M](https://comparepv.com/panel/longi-lr7-72hvhf-670m) | 670 W | Cooler, lighter, +2.1 pp |
| [AIKO AIKO-A640-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a640-mae72mw) | 640 W | Cooler, lighter, +2.1 pp |
| [RedSolar CETC-620T(GDF)/156](https://comparepv.com/panel/redsolar-cetc-620t-gdf-156) | 620 W | -15 W, -0.5 pp |
| [RedSolar CETC-625T(GDF)/156](https://comparepv.com/panel/redsolar-cetc-625t-gdf-156) | 625 W | -10 W, -0.4 pp |
| [RedSolar CETC-630T(GDF)/156](https://comparepv.com/panel/redsolar-cetc-630t-gdf-156) | 630 W | Very close match |
| [RedSolar CETC-640T(GDF)/156](https://comparepv.com/panel/redsolar-cetc-640t-gdf-156) | 640 W | Very close match |
| [AIKO AIKO-A700-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a700-mae78dw) | 700 W | +65 W, cooler, +2.3 pp |
| [AIKO AIKO-A695-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a695-mae78dw) | 695 W | +60 W, cooler, +2.2 pp |
| [Jinko Solar JKM650-670N-66QL6-BDV (670W class)](https://comparepv.com/panel/jinko-solar-jkm650-670n-66ql6-bdv-670w-class) | 670 W | +35 W, cooler, +2.1 pp |


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Source: https://comparepv.com/panel/redsolar-cetc-635tr-gdf-132

Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.