--- title: "Yingli YL435CF48 i/2 Solar Panel: Specs & Datasheet | ComparePV" description: "Yingli YL435CF48 i/2 solar panel. Specs: 21.80% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/yingli-yl435cf48-i-2" image: "https://comparepv.com/og/panel/yingli-yl435cf48-i-2.png" updated: 2026-09-11 --- # Yingli YL435CF48 i/2 Light for its output, no clear weak spot 1,220 panels in the segment TOPCon 400-450 W ## Identity - **Manufacturer:** Yingli - **Model:** YL435CF48 i/2 - **Series:** PANDA 3.0 Mini 2 - **Rated power:** 435 W - **Cell technology:** TOPCon - **Bifacial:** yes ## 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 | 21.80% | 22.00% | Typical | 7,085 | | Power density | 217.7 | 220.2 | Typical | 7,129 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,220 | | Weight (kg) | 20.7 kg | 22.0 kg | Strong - top 15% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.80% | 22.00% | Typical | 7,085 | | Power density | 217.7 | 220.2 | Typical | 7,129 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,220 | | Weight per kWp | 47.6 | 51.5 | Strong - top 15% | 1,766 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **47.6 kg per kWp** - Top 15% of the TOPCon 400-450 W segment, against a median of 51.5. - **Best for:** Residential, commercial and shaded-installations. ## Specification ### Electrical - **Rated power (Pmax):** 435 W - **Efficiency:** 21.80 % - **Voltage at Pmax (Vmp):** 29.45 V - **Current at Pmax (Imp):** 14.78 A - **Open-circuit voltage (Voc):** 35.63 V - **Short-circuit current (Isc):** 15.46 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.290 %/degC - **Temperature coefficient of Voc:** -0.240 %/degC - **Temperature coefficient of Isc:** 0.042 %/degC - **NOCT:** 42 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 96 - **Bifacial:** yes ### Physical - **Length:** 1762 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 20.7 kg - **Area:** 2.00 m2 - **Power density:** 217.7 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:** 380 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 7085 of 14129 | | Power density | 7129 of 14129 | | Temperature coefficient | 2220 of 14129 | | Weight | 1766 of 14129 | | Warranty | 21 of 14129 | ## About this series Yingli PANDA 3.0 Mini 2 modules are based on **TOPCon n-type monocrystalline cells**, designed for maximum yield in real-world conditions-including when installations operate in the morning, evening, or under poorer sunlight. In practice, this means more stable energy production throughout the day and better production predictability for both residential and business customers. **Bifacial construction** sets this solution apart from many standard options, enabling it to utilize reflected light from the ground as well, supporting higher yields without increasing roof surface area. Additionally, **advanced multi-busbar connection architecture** and cell segmentation reduce electrical losses and minimize the impact of micro-cracks on module performance. The optical solutions applied, including **round-shaped ribbons** and anti-reflective coatings, improve light capture, while the entire design is complemented by **enhanced mechanical strength**, crucial for handling snow and wind loads. This is an excellent choice for residential rooftops, commercial installations, and projects where high yield, durability, and aesthetic appeal matter. ## Notable figures - Efficiency of 21.8% matches the \*\*TOPCon 400-450W\*\* median - Power density of 217.7 W/m² matches the \*\*TOPCon 400-450W\*\* median - Temperature coefficient of -0.29%/°C matches the \*\*TOPCon 400-450W\*\* median - At 20.7 kg, this panel is 1.3 kg lighter than \*\*TOPCon 400-450W\*\* median (22.0 kg) - easier handling during installation - 80% bifaciality enables rear-side power generation, boosting yield by 4-12% on reflective surfaces ## Questions ### What makes TOPCon technology in the Yingli PANDA 3.0 Mini 2 panels different from standard PERC panels? TOPCon (Tunnel Oxide Passivated Contact) is an n-type cell technology that reduces electron recombination losses at the metal-silicon contact through an additional oxide passivation layer. This results in higher efficiency, lower annual degradation, and better low-light performance compared to older p-type PERC panels. The PANDA 3.0 Mini 2 series reaches up to 465 Wp with more stable year-round yield thanks to this technology. ### Is it worth paying extra for bifacial PANDA 3.0 Mini 2 panels for a pitched roof installation? On a typical pitched roof, the bifacial effect is limited since the rear side of the module has little access to reflected light. These panels perform better on flat roofs, carports, ground-mount systems over bright surfaces, or elevated racking with a rear air gap. On a pitched roof you'll still benefit from the high efficiency of the TOPCon cells, but the additional bifacial gain will be minimal. ### What warranty comes with the Yingli PANDA 3.0 Mini 2 panels, and what does it cover? Yingli provides a 12-year product warranty covering material and manufacturing defects, along with a 30-year power output warranty guaranteeing a minimum performance level over that period. This is a standard offering for premium n-type panels and gives investors confidence in return on investment, even for commercial installations calculated over several decades. ### Is Yingli a Tier 1 manufacturer, and does that matter when choosing panels? Yes, Yingli is a Tier 1 manufacturer headquartered in China, which means financial stability, project bankability (important for loans and leasing), and a well-documented large-scale production history. Tier 1 status also simplifies obtaining installation insurance and increases confidence that the warranty will remain enforceable throughout its full term. ### How many PANDA 3.0 Mini 2 modules are needed for a 5 kW installation? At 465 Wp per module, a roughly 5 kWp installation requires about 11 panels (5000 W / 465 W ≈ 10.75, typically rounded up to 11 units, yielding just over 5.1 kWp). The exact count depends on inverter design and available roof area, so it's best confirmed with your installer. ### Do multi-busbar architecture and round ribbons actually increase energy yield from the panel? Yes, round cross-section ribbons reflect part of the incoming light back onto the cell surface instead of absorbing it like flat ribbons, adding a few percentage points of efficiency. The multi-busbar architecture also shortens the current path within the cell, reducing resistive losses and limiting the impact of potential microcracks on overall module performance. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/1763542336847-9d0c4120170c.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [JA Solar JAT54S40-485/LR](https://comparepv.com/panel/ja-solar-jat54s40-485-lr) | 485 W | +50 W, cooler, +2.5 pp | | [AIKO AIKO-A485-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a485-mce54mw) | 485 W | +50 W, cooler, +2.5 pp | | [AIKO AIKO-A485-MAH54Mw](https://comparepv.com/panel/aiko-aiko-a485-mah54mw) | 485 W | +50 W, cooler, +2.5 pp | | [Gokin GK-5-54HG-485M](https://comparepv.com/panel/gokin-gk-5-54hg-485m) | 485 W | +50 W, cooler, +2.5 pp | | [Heckert Solar ZEUS 3.0+ 108 485WP](https://comparepv.com/panel/heckert-solar-zeus-3-0-108-485wp) | 485 W | +50 W, heavier, +2.5 pp | | [Yingli YL440CF48 i/2](https://comparepv.com/panel/yingli-yl440cf48-i-2) | 440 W | Very close match | | [Yingli YL445CF48 i/2](https://comparepv.com/panel/yingli-yl445cf48-i-2) | 445 W | +10 W, +0.5 pp | | [Yingli YL450CF48 i/2](https://comparepv.com/panel/yingli-yl450cf48-i-2) | 450 W | +15 W, +0.7 pp | | [Yingli YL455CF48 i/2](https://comparepv.com/panel/yingli-yl455cf48-i-2) | 455 W | +20 W, +1.0 pp | | [Yingli YL460CF48 i/2](https://comparepv.com/panel/yingli-yl460cf48-i-2) | 460 W | +25 W, +1.2 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +75 W, cooler, +3.2 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +60 W, cooler, +3.0 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +70 W, cooler, +2.9 pp | | [WINAICO WST-505BKX54-A2](https://comparepv.com/panel/winaico-wst-505bkx54-a2) | 505 W | +70 W, heavier, +2.9 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +55 W, cooler, +2.7 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +65 W, cooler, +2.7 pp | --- Source: https://comparepv.com/panel/yingli-yl435cf48-i-2 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.