--- title: "Jetion JT435SEt(L) Solar Panel: Specs & Datasheet | ComparePV" description: "Jetion JT435SEt(L) solar panel. Specs: 22.30% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/jetion-jt435set-l" image: "https://comparepv.com/og/panel/jetion-jt435set-l.png" updated: 2026-09-11 --- # Jetion JT435SEt(L) Light for its output, short guarantee 1,220 panels in the segment TOPCon 400-450 W ## Identity - **Manufacturer:** Jetion - **Model:** JT435SEt(L) - **Series:** JT SEt(L) - **Rated power:** 435 W - **Cell technology:** TOPCon ## How it compares Compared against segment TOPCon 400-450 W (1220 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 435 W | 435 W | Typical | | | Module efficiency | 22.30% | 22.00% | Strong - top 17% | 5,161 | | Power density | 223.1 | 220.2 | Strong - top 11% | 5,132 | | Temperature coefficient | -0.300 | -0.290 | Typical | 6,152 | | Weight (kg) | 13.1 kg | 22.0 kg | Strong - top 1% | | | Performance warranty | 20 yrs | 30 yrs | Weak - bottom 1% | 13,920 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.30% | 22.00% | Strong - top 17% | 5,161 | | Power density | 223.1 | 220.2 | Strong - top 11% | 5,132 | | Temperature coefficient | -0.300 | -0.290 | Typical | 6,152 | | Weight per kWp | 30.1 | 51.5 | Strong - top 1% | 139 | | Performance warranty | 20 yrs | 30 yrs | Weak - bottom 1% | 13,920 | ### Strengths - **30.1 kg per kWp** - Top 1% of the TOPCon 400-450 W segment, against a median of 51.5. Ranked 139th in the whole database. - **223.1 watts per square metre** - Top 11% of the TOPCon 400-450 W segment, against a median of 220.2. - **22.30% module efficiency** - Top 17% of the TOPCon 400-450 W segment, against a median of 22.00%. ### Watch out for - **20 year performance warranty** - Bottom 1% of the TOPCon 400-450 W segment, against a median of 30 yrs. Ranked 13,920th in the whole database. - **Best for:** Residential, commercial and BIPV. - **Not ideal for:** Owners who want a long output guarantee. ## Specification ### Electrical - **Rated power (Pmax):** 435 W - **Efficiency:** 22.30 % - **Voltage at Pmax (Vmp):** 31.85 V - **Current at Pmax (Imp):** 13.66 A - **Open-circuit voltage (Voc):** 38.45 V - **Short-circuit current (Isc):** 14.40 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:** 108 ### Physical - **Length:** 1721 mm - **Width:** 1133 mm - **Thickness:** 19 mm - **Weight:** 13.1 kg - **Area:** 1.95 m2 - **Power density:** 223.1 Wp/m2 ### Warranty and degradation - **Product warranty:** 10 years - **Performance warranty:** 20 years - **Output guaranteed at end of warranty:** 89.0 % - **First-year degradation:** 1.50 % - **Annual degradation:** 0.40 % - **Output after 30 years:** 378 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 5161 of 14129 | | Power density | 5132 of 14129 | | Temperature coefficient | 6152 of 14129 | | Weight | 139 of 14129 | | Warranty | 13920 of 14129 | ## Pros - **Efficiency on par with segment leaders** - Efficiency up to 22.3% places the JT SEt(L) series in the same league as the best comparable TOPCon modules (SunLink SL5N108 - 22.3%, SunKean SKT415~435M10 - 22.27%), matching the same maximum power of 435 Wp. - **N-type TOPCon cells with half-cut design** - Half-cut cells arranged in a multi-busbar layout reduce resistive losses and increase resistance to microcracks and partial shading, while N-type TOPCon technology delivers lower LID/LETID degradation compared to conventional PERC cells. - **Tier-1 BNEF manufacturer, operating since 2004** - Jetion Solar holds Tier-1 status under the BloombergNEF Module Maker Tiering System, indicating recognized bankability for non-recourse debt financing, plus over 20 years of manufacturing experience, which strengthens confidence for long-term investments. - **Low power temperature coefficient** - A low power temperature coefficient translates into more stable energy production during heat waves, which is practically relevant in the Polish climate given increasingly frequent summer heat spells. - **Compact size suited to residential rooftops** - The module's compact construction (108 cells) makes the series well-suited for rooftop installations on single-family homes, where efficient use of limited roof area and a uniform, aesthetic appearance matter. ## Cons - **20-year power warranty below current TOPCon standard** - The manufacturer offers 10 years of product warranty and 20 years of power warranty, whereas leading TOPCon module suppliers now typically offer 25-30 years of linear power warranty, making this parameter less competitive. - **No bifacial variant available** - The JT SEt(L) series is monofacial only, while a direct competitor with identical power and efficiency specs - the SunLink SL5N108 - is offered in a bifacial variant, providing extra rear-side energy yield on light-colored ground or ground-mounted structures that the Jetion model cannot capture. ## About this series The JT SEt(L) series from Jetion Solar comprises photovoltaic modules built around **TOPCon technology**, using N-type monocrystalline cells known for stable long-term parameters. The panels feature **half-cut cells** arranged in a multi-busbar layout, which reduces resistive losses and improves resistance to microcracks and partial shading. Thanks to its compact module dimensions, the JT SEt(L) series is particularly well suited to rooftop installations on single-family homes, where efficient use of available roof space and a clean aesthetic matter just as much as output. A **low power temperature coefficient** translates into more stable energy production on hot days, which is relevant in the Polish climate with increasingly frequent heatwaves. N-type TOPCon technology delivers lower annual degradation compared to conventional PERC cells, resulting in higher energy yield over the system's entire service life. The manufacturer backs the series with a **long-term product and power warranty**, giving investors confidence in the durability of their investment. JT SEt(L) is a solid choice for installers and investors looking for a modern solution that combines high build quality, strong performance in elevated temperatures, and a uniform, aesthetic installation appearance. ## Notable figures - At 22.3% efficiency, this panel is on par with typical \*\*TOPCon 400-450W\*\* modules - Power density of 223.1 W/m² matches the \*\*TOPCon 400-450W\*\* median - At -0.30%/°C, hot weather performance is typical for \*\*TOPCon 400-450W\*\* panels - At 13.1 kg, this panel is 8.9 kg lighter than \*\*TOPCon 400-450W\*\* median (22.0 kg) - easier handling during installation - Ranked #5161 out of 14129 panels for efficiency in the database ## Questions ### What is the maximum power output of Jetion JT SEt(L) series panels? Panels from the JT SEt(L) series reach a maximum power output of up to 435 Wp. This is achieved through N-type monocrystalline cells using TOPCon technology combined with a half-cut, multi-busbar layout, which reduces resistive losses and makes efficient use of the module's compact surface area. ### How does TOPCon technology differ from conventional PERC cells? TOPCon cells use an N-type structure with an additional passivation layer, reducing recombination losses compared to conventional PERC cells. In practice, this means higher initial efficiency and slower annual degradation, resulting in greater energy yield over the module's entire service life. ### What warranty comes with Jetion JT SEt(L) panels? The manufacturer provides a 10-year product warranty and a 20-year linear power warranty. This means Jetion covers material and manufacturing defects for a decade, while guaranteeing the module's power output level for two decades, giving investors predictability on their return on investment. ### Are JT SEt(L) panels suitable for single-family home roofs? Yes, the JT SEt(L) series is designed specifically for rooftop installations on single-family homes. The module's compact dimensions make installation easier on typical roof surfaces, and its uniform, aesthetic appearance suits pitched roofs well, balancing efficient use of available space with visual appeal. ### Do JT SEt(L) panels perform well in high summer temperatures? Yes, the JT SEt(L) series features a low power temperature coefficient thanks to TOPCon technology, limiting efficiency loss during heat waves. This is a key advantage in the Polish climate, where prolonged periods of high temperatures are becoming more frequent, and classic PERC panels lose more power than N-type cell modules under such conditions. ### Are Jetion JT SEt(L) panels bifacial modules? No, the JT SEt(L) series consists of monofacial panels and does not use bifacial technology. The module generates energy only from radiation hitting its front surface, which is a typical solution for rooftop installations on single-family homes, where panels are mounted close to the roof surface without the ability to capture reflected light from underneath. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/e45f180e3d1a49afa5849b235066d90e-6ebdba8427b0.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [JA Solar JAT54S40-485/LR](https://comparepv.com/panel/ja-solar-jat54s40-485-lr) | 485 W | Heavier, +2.0 pp, +10 yr warranty | | [AIKO AIKO-A485-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a485-mce54mw) | 485 W | Heavier, +2.0 pp, +10 yr warranty | | [AIKO AIKO-A485-MAH54Mw](https://comparepv.com/panel/aiko-aiko-a485-mah54mw) | 485 W | Heavier, +2.0 pp, +10 yr warranty | | [Gokin GK-5-54HG-485M](https://comparepv.com/panel/gokin-gk-5-54hg-485m) | 485 W | Heavier, +2.0 pp, +10 yr warranty | | [Heckert Solar ZEUS 3.0+ 108 485WP](https://comparepv.com/panel/heckert-solar-zeus-3-0-108-485wp) | 485 W | Heavier, +2.0 pp, +10 yr warranty | | [Jetion JT410SJt(B)](https://comparepv.com/panel/jetion-jt410sjt-b) | 410 W | Heavier, -1.3 pp, +10 yr warranty | | [Jetion JT415SJt(B)](https://comparepv.com/panel/jetion-jt415sjt-b) | 415 W | Heavier, -1.0 pp, +10 yr warranty | | [Jetion JT420SEt(L)](https://comparepv.com/panel/jetion-jt420set-l) | 420 W | -15 W, -0.8 pp | | [Jetion JT420SJt(B)](https://comparepv.com/panel/jetion-jt420sjt-b) | 420 W | Heavier, -0.8 pp, +10 yr warranty | | [Jetion JT425SJt(B)](https://comparepv.com/panel/jetion-jt425sjt-b) | 425 W | Heavier, -0.5 pp, +10 yr warranty | | [Jetion JT425SEt(L)](https://comparepv.com/panel/jetion-jt425set-l) | 425 W | -10 W, -0.5 pp | | [Jetion JT430SEt(L)](https://comparepv.com/panel/jetion-jt430set-l) | 430 W | -0.3 pp | | [Jetion JT430SJt(B)](https://comparepv.com/panel/jetion-jt430sjt-b) | 430 W | Heavier, -0.3 pp, +10 yr warranty | | [Jetion JT440SEt(L)](https://comparepv.com/panel/jetion-jt440set-l) | 440 W | Very close match | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Heavier, +2.7 pp, +10 yr warranty | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | Heavier, +2.5 pp, +10 yr warranty | --- Source: https://comparepv.com/panel/jetion-jt435set-l Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.